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Aquilaria Sinensis Agarwood

Agarwood, the resinous heartwood of Aquilaria sinensis, a tree native to southern China, is a remarkable natural resource with a rich history and diverse applications. Known in Chinese as ‘chenxiang,’ this aromatic wood has been valued for over 2,000 years in East Asia for its use as incense, traditional medicine, and perfume. This well-sourced article examines its biology, cultivation, chemistry, and uses, offering a detailed look at this unique and intriguing wood.[9]

Aquilaria Sinensis Description

Images courtesy of Inaturalist

Aquilaria sinensis is an evergreen that typically reaches heights of 5 to 15 meters, though under optimal conditions, some specimens can grow even taller. It features smooth, grayish bark and glossy, oval leaves measuring between 5 and 10 centimeters. The tree also bears small, yellow flowers that appear in clusters during its blooming season. These unassuming blossoms attract pollinators and, once fertilized, give way to fruits that enclose the seeds. Recent research has revealed that these seeds are uniquely adapted for biotic dispersal, attracting hornets that play a crucial role in their distribution and the tree’s natural regeneration.[10] Native to the tropical and subtropical regions of southern China—including Hainan, Guangdong, and Yunnan provinces—this species thrives in warm, humid climates.[1] A key characteristic of Aquilaria sinensis is its ability to produce agarwood, a highly prized resin formed when the tree is damaged or infected.

What is Agarwood?

When an Aquilaria sinensis tree gets injured or infected by things like storms, insects, or fungi, it produces a protective resin. This resin soaks into the tress heartwood over time, turning it into agarwood, a dark, fragrant wood that is used in incense, perfume, traditional medicine, and the creation of decorative carvings and jewelry. Its rarity makes it one of the most expensive woods in the world.[2]

Uses of Agarwood made from Aquilaria sinensis

Incense: Agarwood is made into chips and burned for its aroma, a practice with over 2,000 years of history in China. A charcoal disc is lit until grayish-white and placed in a heat-resistant burner; a small piece (about 1 gram) is set directly on the charcoal for a fast, intense scent release, or placed on a mica plate above it for a slower, hours-long burn—high-resin agarwood burns cleaner and is preferred. In the Han Dynasty (202 BCE–220 CE), it was burned as “chenxiang” in temples and wealthy homes, its heavy, woody smoke seen as a link to the divine. By the Tang Dynasty (618–907 CE), it became a luxury trade good along the Silk Road, reaching Southeast Asia, India, and the Middle East, where its spicy-sweet, camphor-tinged scent enriched Islamic rituals. Buddhist and Taoist monks used it in censers to sharpen meditation focus, as noted in the Compendium of Materia Medica (1578) by Li Shizhen, which also says its rarity made it costlier than gold. “By the Song Dynasty (960–1279 CE), agarwood had grown so scarce that emperors and nobles burned it to flaunt their status. Today, ethically cultivated agarwood remains a treasured incense, still burned in homes and ceremonies worldwide.”[3]

Perfumery: Agarwood’s use in perfumes began in the Middle East around the 8th century. Traders from China’s Tang Dynasty (618–907 CE) transported it along the Silk Road to Arab markets, where it was steam-distilled into oud oil—a dark, thick liquid extract with a warm, woody aroma enriched by spicy and sweet notes. The process was labor-intensive: resin-rich wood was boiled or steamed and only yielded a small amount of oil. Known as “liquid gold,” this oil became a signature of Islamic perfumery, worn by royalty and burned in mosques. By the Song Dynasty (960–1279 CE), Chinese elites also distilled agarwood for personal fragrances, texts like the Compendium of Materia Medica (1578) note its pungent aroma was prized but rare. Today, Aquilaria sinensis oud oil remains a cornerstone of high-end perfumery, costing up to $30,000 per kilogram.[12] Modern distillation refines sesquiterpenoids for a smoother scent, and cultivated agarwood from China’s plantations ensures supply, though top-grade oil still comes from aged, resin-dense wood. While many perfumes soften its intensity by blending it with rose or amber, pure oud from sinensis remains a coveted hallmark in high-end perfumery.[4]

He Shixiu Traditional Chinese Medicine Practitioner “Dr Ho”
He Shixiu Traditional Chinese Medicine Practitioner “Dr Ho”

Traditional Chinese Medicine (TCM): Agarwood, known as chenxiang, has been utilized in Chinese healing traditions for over two thousand years for its claimed ability to regulate qi (the vital life energy).
Agarwood has been used to soothe a range of ailments. Traditional practitioners prepared agarwood by finely grinding it or soaking it in alcohol. For digestive discomfort, a modest dose of 1–3 grams in warm water or pill form was believed to ease stomach pain, bloating, and nausea by encouraging the smooth flow of qi through the abdomen. In its role as a natural sedative, a smaller dose (0.3–1 gram) steeped in tea or blended with herbs like ginseng was used to calm the shen (spirit), relieving anxiety, insomnia, and even palpitations. Its anti-inflammatory qualities helped in easing joint pain and chest tightness, with daily decoctions of 1–2 grams (with cinnamon or licorice) to promote circulation and balance. Today, the legacy of this ancient remedy is upheld by rigorous modern standards; quality agarwood must meet the Chinese Pharmacopoeia’s benchmark of at least 0.10% agarotetrol (a bioactive compound that plays a key role in its therapeutic effects). Other traditional healing systems, such as Ayurveda and Middle Eastern herbal medicine, have also valued agarwood for its calming and restorative benefits.[5]

Qing Dynasty agarwood carving with dragon pattern and flowers

Carvings: The use of agarwood from Aquilaria sinensis in carvings dates back to the Tang Dynasty (618–907 CE), when artisans began shaping the dense, resin-rich wood into prayer beads, small statues, and decorative items such as boxes or pendants, often adorned with dragons, Buddhas, or floral motifs inspired by Buddhist and Taoist traditions. The wood’s dark streaks and durability made it ideal for intricate details, while its faint, natural aroma added spiritual value; monks and nobles wore these beads to ward off evil, as noted in texts such as the Compendium of Materia Medica (1578) by Li Shizhen. Because harvesting wild trees with high resin content was a slow and labor-intensive process, agarwood carvings became exceedingly rare. By the Song Dynasty (960–1279 CE), their scarcity had elevated them to coveted status symbols, gifted to elites and proudly displayed in courts. Today, modern artisans produce bracelets, figurines, and ornaments from Aquilaria sinensis trees ethically cultivated in China’s plantations. High-resin pieces are prized; for example, a single bracelet of polished beads can fetch hundreds of dollars, and global demand has grown, especially in Asia and the Middle East, where collectors value both their aesthetic beauty and historical resonance.[6][7]

A Sustainable, Ethical Supply of Agarwood?

In nature, agarwood formation is a slow and unpredictable process. A tree might take years to produce usable resin after being wounded by lightning, wind, or microbes, with the resin spreading unevenly to form only small pockets of agarwood amid unaffected white wood.
High consumption and scarce supply have placed Aquilaria sinensis on the IUCN Red List as a vulnerable species, prompting a shift toward sustainable cultivation. Traditional techniques such as chopping the trunk or driving nails into it have given way to advanced methods like the Whole-Tree Agarwood-Inducing Technique (Agar-WIT), in which hydrogen peroxide (that breaks down into harmless water and oxygen) is injected into the tree’s xylem, triggering widespread resin formation in the trunk, branches, and even roots.[7] Alternatively, fungal inoculation with species such as Fusarium, Trichoderma, and Neurospora mimics natural infection to stimulate resin production. Using these methods, high-quality agarwood can be harvested within 4–6 months using Agar-WIT or within 6–12 months via fungal induction.[11]

China now cultivates over 20 million Aquilaria sinensis trees in plantations located primarily in southern provinces such as Hainan, Guangdong, and Guangxi.[7] These regions offer the tropical and subtropical climates ideal for sustainable resin production, helping to ease pressure on wild forests while consistently yielding high-quality agarwood. Scientists are working to develop methods that boost resin yield and quality by exploring how environmental factors (such as salt levels that affect plant health) and the tree’s natural processes for producing aromatic compounds work together. They are also studying the internal cell signals that trigger resin production.

Agarwood: Chemistry, Scent, and Medicinal Value

The magic of Aquilaria sinensis agarwood lies in its unique chemistry. Two key groups of compounds dominate: sesquiterpenoids and 2-(2-phenylethyl)chromones (PECs). Sesquiterpenoids are volatile compounds—such as eudesmanes and guaianes—that lend agarwood its signature woody, balsamic aroma. Meanwhile, PECs, which include important substances like agarotetrol and flindersia-type chromones, are linked to the resin’s medicinal effects.

The balance between these compounds shifts depending on the induction method: mechanical wounding tends to boost sesquiterpenoid production, while fungal or hydrogen peroxide induction enhances PEC levels.

The chemical composition of agarwood can vary significantly. For example, the chart shows an analysis of two differnt varities of agarwood harvested from Aquilaria sinensis, TraA (a traditional agarwood) and QinA (Qinan agarwood). As shown in the chart, the antioxidant activity of the QinA sample is significantly higher than the TraA.[13]

Additional components, such as other aromatic compounds, steroids, and fatty acids, are detected using techniques like gas chromatography-mass spectrometry (GC-MS). High-quality agarwood chips from Aquilaria sinensis often exceed the Chinese Pharmacopoeia’s standards, with the portion of extractable resin—compounds that dissolve in alcohol—comprising no lest than 10% of the chip’s dry weight in cultivated samples.[7] Factors such as induction technique, harvest timing, and the overall health of the tree all influence the final chemical profile.[8]

Sources:

  1. Wu, Z. Y., Raven, P. H., & Hong, D. Y. (Eds.). (2007). Flora of China: Volume 13: Clusiaceae through Araliaceae. Science Press; Missouri Botanical Garden Press.
  2. Harvey-Brown, Y. 2018. Aquilaria sinensis. The IUCN Red List of Threatened Species 2018: e.T32382A2817115. Accessed on 25 February 2025.
  3. Li, S. (2003). Compendium of Materia Medica (Bencao Gangmu) (F. X. Luo, Trans.). Foreign Languages Press. (Original work published 1578)
  4. Al-Harrasi, A., Rehman, N. U., Khan, A. L., & Al-Rawahi, A. (2019). The chemistry and culture of oud. Springer Nature.
  5. Chinese Pharmacopoeia Commission. (2020). Pharmacopoeia of the People’s Republic of China (Vol. 1). China Medical Science Press.
  6. Schafer, E. H. (1963). The golden peaches of Samarkand: A study of T’ang exotics. University of California Press.
  7. Liu, Y. Y., Chen, D. L., Wei, J. H., Feng, J., Zhang, Z., & Yang, Y. (2019). Whole-Tree Agarwood-Inducing Technique (Agar-WIT): A novel method for agarwood production. Industrial Crops and Products, 139, 111511.
  8. Naef, R. (2011). The volatile and semi-volatile constituents of agarwood: The magic of scent. Flavour and Fragrance Journal, 26(2), 73–87.
  9. Ng, L. T., Chang, Y. S., & Kadir, A. A. (1997). A review on agar (gaharu) producing Aquilaria species. Journal of Tropical Forest Products, 2(2), 272–285.
  10. Peakall, R., & Bohman, B. (2022). Seed dispersal: Hungry hornets are unexpected and effective vectors. Current Biology, 32(15), R836–R838.
  11. Wang, Z., Zhou, G., Chen, J., Miao, X., Xia, Y., Du, Z., & Liu, J. (2024). Research on using Aquilaria sinensis callus to evaluate the agarwood-inducing potential of fungi. PLoS One, 19(12), e0316178.
  12. Alamil, J. M. R., Paudel, K. R., Chan, Y., Xenaki, D., Panneerselvam, J., Singh, S. K., Gulati, M., Jha, N. K., Kumar, D., Prasher, P., Gupta, G., Malik, R., Oliver, B. G., Hansbro, P. M., Dua, K., & Chellappan, D. K. (2022). Rediscovering the therapeutic potential of agarwood in the management of chronic inflammatory diseases. Molecules, 27(9), 3038.
  13. Ma, S., Yan, T., Chen, Y., & Li, G. (2024). Chemical composition and bioactivity variability of two-step extracts derived from traditional and “QiNan” agarwood (Aquilaria spp.). Fitoterapia, 176, 106012.

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Comprehensive Overview of Boswellia carterii Frankincense

Frankincense (Boswellia carterii)

Frankincense is a prized resin harvested from the Boswellia carterii tree that primarily thrives in Somalia’s arid landscapes, where it has shaped both local life and global trade for thousands of years.[1] Somalians chew it for oral health and blend it with milk or honey as a traditional tonic and pre-Islamic tribes once burned it in animist rites to honor their ancestors.[6, 10] In this extensive article, we cover a wide range of topics, from its extensive history to conservation concerns.

1. Botanical Description

Boswellia carterii, a species within the Burseraceae family, is native to East Africa, particularly Somalia, and parts of the Arabian Peninsula. This small tree, reaching 2–8 meters in height, features papery, peeling bark and compound leaves with 7–15 opposite leaflets. It produces small, yellow-white flowers in axillary clusters and a 1 cm capsule fruit. Adapted to arid, rocky terrains up to 1,200 meters elevation, it favors calcareous soils. [1] Though historically conflated with Boswellia sacra, differences in essential oil properties indicate they are likely distinct species or ecotypes.[4]

2. Frankincense Resin Production

Frankincense, the aromatic resin of Boswellia carterii, is harvested by making shallow incisions into the tree’s bark, typically in Somalia’s dry season from February to May. This cut releases a milky white sap that flows for several hours before hardening into orange-brown tears over 10–14 days, after which harvesters scrape the solidified resin from the trunk. In Somalia, skilled graders (often women) grade the yield, with the clearest, whitest tears labeled “Hojari” a material prized for both traditional and modern uses.[4]

3. Frankincense Perfume

In perfumery, B. carterii essential oil provides a warm, resinous base note with balsamic and woody tones. It serves as a fixative, stabilizing volatile top notes in fragrances by brands like Creed or Amouage. Boswellia carterii essential oil is steam-distilled to yield a cleaner, less smoky scent than the raw resin. Frequently blended with sandalwood for a richer, longer-lasting fragrance, it has become a sought-after ingredient in natural perfumery.[7, 8]

4. Medicinal Uses and Benefits

Boswellia carterii has been valued for its medicinal properties for approximately 5,000 years, with applications spanning traditional remedies and modern research.[6]

Traditional Uses
In Chinese medicine, the resin has long treated arthritis, dysmenorrhea, and trauma-related pain; in Middle Eastern cultures, it is used to help heal wounds.[1]

Modern Uses and Benefits
Contemporary research validates and expands its therapeutic potential, revealing the following applications and effects:

  • Reduces inflammation and swelling, notably in arthritis treatment.[2]
  • Enhances insulin production and lowers blood sugar, aiding diabetes management.[4]
  • Exhibits cytotoxicity against cancer cells (e.g., bladder tumors), showing preliminary anti-cancer potential.[6]
  • Combats fungi and bacteria while neutralizing free radicals, leveraging its essential oil’s antimicrobial and antioxidant properties.[5]

Side Effects and Safety

Extracts up to 1,000 mg/day for 6 months are generally safe, with rare reports of nausea or diarrhea.[3] It may increase bleeding risk with anticoagulants or affect liver-processed drugs; safety during pregnancy remains unestablished.[6]

5. How to Burn Frankincense Resin for Incense

Burning Frankincense using Charcoal

Burning Boswellia carteri resin as incense can be accomplished using traditional charcoal or modern electric heaters, each offering distinct methods for releasing its aroma.[9]

Using Charcoal:

  • Light a charcoal disc for 20–30 seconds until it glows, then set it in a heat-resistant burner lined with sand or ash for insulation.
  • Wait 1–2 minutes until the charcoal is fully covered with ash.
  • Place a pea-sized piece of resin on the disc; it will melt and release aromatic smoke.[9] Avoid leaving it on too long, as overheating can burn the fragrance-free components, diminishing the scent.[9]
  • High-quality resin, such as Somali Hojari, produces less residue for a cleaner burn.[9] However, it is very expensive.

Using Electric Incense Burners:

  • Alternatively, an electric incense burner set to 200–250°C can vaporize the resin with less smoke and offer more time to remove the resin shortly after the scent has been released.[9]

6. Ecological and Conservation Concerns

Boswellia carterii faces significant threats from overharvesting and climate change, notably prolonged droughts that reduce soil moisture critical for its survival.[10] Excessive tapping—often every 3 months rather than a sustainable 6-month interval—exacerbates tree stress by limiting recovery time, contributing to a potential 30% population decline by 2040 and earning the species a “near threatened” designation.[10] In Somalia, efforts to counter these risks include cooperatives enforcing extended rest periods between harvests and organizations like Savefrankincense.org that certify sustainable practices to protect both the species and local livelihoods.[10, 15]

7. Economic and Trade Insights

Somalia, a primary exporter of Boswellia carterii resin, ships approximately 1,000 tons annually, generating an estimated $10–15 million in revenue that sustains thousands of rural harvesters [10]. The resin, traded globally to markets in Europe, Asia, and the Middle East for perfumery and incense, faces growing adulteration with cheaper pine resin or synthetic substitutes, often detectable by their sharper scents or discovered by laboratory volatile analysis.[7] This practice, affecting up to 20% of lower-grade frankincense, undermines market trust and depresses prices for authentic resin, challenging Somalia’s economic stability.[7, 10]

8. Frankincense’s Role in History

Frankincense uncovered at archaeological sites across Egypt, Syria, and Oman highlights Boswellia carterii’s vital role in ancient trade and ritual.[1] In Egypt, the 1922 excavation of Tutankhamun’s (King Tut’s) tomb from 1323 BCE revealed alabaster jars holding about 50 grams of Boswellia resin, from Somali trade networks, used for embalming and sacred offerings.[1] Farther east, the 2002 unearthing of Qatna’s royal tombs in Syria, dated to the 18th to 14th centuries BCE, found incense burners with roughly 10 grams of frankincense, confirmed by gas chromatography-mass spectrometry as Boswellian imported from Punt for ceremonies.[11] In Oman, excavations at Sumhuram Port from the 3rd century BCE to the 5th century CE uncovered storage pits with around 2 kilograms of resin, likely from Somali routes, bound for Roman markets along the Incense Route.[12] Frankincense has been used in religious ceremonies for over 5,000 years. Egyptian priests burned it to honor their gods, and the wise men from the East, known as the Magi, presented it as a gift to baby Jesus over 2,000 years ago.[1] Termed luban in Arabic, it remains a cornerstone of Middle Eastern and Christian rituals.[6] Churches burn it in censers during Mass throughout the year and at special services for Christmas and Easter, filling sanctuaries with its warm, woody scent for worship and reflection. In Somalia, people burned it to drive out evil spirits in early rites, a practice that flowed into Christian use by the 4th century. In early aromatherapy, healers relied on its balsamic, citrusy aroma to calm rituals; now, people heat it in burners to reduce stress and improve focus.

9. Frankincense Comparison

A comparison of the four most common types of Frankincense based on chemical composition, sent profile and primary uses to assist in finding the right Frankincense for the right application.[13]

Chemical Composition:

  • B. carterii (Somalia): Contains α-pinene (37%), limonene (19.8%), and p-cymene (6.3%), with a negative optical rotation (-13.3°, a measure of light-bending properties) and boswellic acids (compounds reducing swelling), supporting its medicinal potential.[2]
  • B. sacra (Oman): Rich in α-pinene (68.2%) and limonene (6.2%), with a positive rotation (+30.1°), emphasizing monoterpenes that enhance its aromatic intensity.[4]
  • B. frereana (Somalia): Features α-phellandrene dimer (20.2%) and α-pinene (12.4%), with minimal boswellic acids, prioritizing fragrance over therapeutic compounds.13]
  • B. papyrifera (Ethiopia): Dominated by octyl acetate (57–65%) and n-octanol (3–8%), yielding a distinct chemical profile.[13]

Scent Profile:

  • B. carterii: Warm, balsamic, and versatile, with woody-citrus undertones, suitable for diverse aromatic applications.
  • B. sacra: Woody and spicy, with a sharp, resinous edge, ideal for intense incense experiences.
  • B. frereana: Fresh and pine-like, with a clean, less smoky finish, favored in subtle fragrances.
  • B. papyrifera: Sweet and fruity, less resinous, offering a softer aromatic character.

Primary Uses:

  • B. carterii: Medicinal applications (see Section 5), perfumes and incense.[2, 7]
  • B. sacra: Predominantly used for high-quality incense in religious ceremonies (e.g., Omani Hojari grade).[4]
  • B. frereana: Primarily employed in perfumery and skincare.[7]
  • B. papyrifera: Common in Ethiopian incense, used as a chewing resin, and in regional culinary and rituals.[13]

10. DIY Recipes using Frankincense

Here are a couple of Frankincense recipes, please feel free to share your own in the comments section.

Soothing Balm (Makes ~2 oz):
Melt 2 tbsp beeswax and 4 tbsp coconut oil (double boiler, 150–170°F), cool to 120°F, add 10 drops Frankincense oil, 5 drops lavender. Pour into a tin; solidify (2–3 hours). If it hardens too fast, reheat gently.[14] Apply to sore joints or dry skin.

Massage Oil (Makes ~1 oz):
Mix 1 oz jojoba oil, 8 drops Frankincense oil, 4 drops sandalwood in a dark bottle. Shake well.[14] Use for muscle relaxation; store in a cool, dark place.

Incense Powder (Makes ~2 tsp):
Grind 1 tsp Frankincense resin, 1 tsp sandalwood powder, ½ tsp myrrh. Sprinkle a pinch on charcoal [9]. If smoke is too thick, reduce resin amount. Burn for meditation.

Safety:
Dilute oils to 1–2%, patch-test, avoid ingestion, consult a doctor if pregnant [3]. Visual suggestion: Photos of finished balm, oil bottle, and incense setup.

Conclusion

Frankincense gathered from the Boswellia carterii tree has a history of use dating back thousands of years and, when procured in its unadulterated form, is a high-quality incense, perfume and natural supplement. Just like the rest of you, we are interested in learning more about it. Please feel free to comment if you would like to add to this conversation or would like to comment on something in this article.

Sources

  1. Boswellia sacra – Wikipedia
  2. Boswellia carterii Extract Inhibits TH1 Cytokines – PMC
  3. Boswellia: Uses, Dosage, Side Effects – Healthline
  4. Frankincense Overview – ScienceDirect
  5. Boswellia Essential Oil: Natural Antioxidant as an Effective Antimicrobial and Anti-Inflammatory Agent – MDPI
  6. Boswellia Purported Benefits, Side Effects & More – Memorial Sloan Kettering Cancer Center
  7. Olibanum (Frankincense) – Fragrantica
  8. Essential Oils Market – Market Research Reports
  9. Step-by-step guide: How to burn frankincense resin at home – Pink Jinn
  10. Conservation Assessment and Chemistry of Boswellia ogadensis, a Critically Endangered Frankincense Tree – National Library of Medicine
  11. Analysis of frankincense in archaeological samples by gas chromatography-mass spectrometry – National Library of Medicine
  12. Land of Frankincense Reports – UNESCO
  13. Analysis of frankincense from various Boswellia species – National Library of Medicine
  14. Aromatherapy: A Complete Guide to the Healing Art – Book by Kathi Keville and Mindy Green
  15. Protecting the Frankincense Economy and Ecosystem – SaveFrankincense.org

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How to Make Your Own Herbal Smoking Blends

How to Make Smoking Blends Featured Image

This article provides a step-by-step guide to crafting your own DIY herbal smoking blends. It covers choosing the right herbs, blending techniques, proper storage, quality inspection, acquiring herbs, sampling for taste and effect, refining your blend, scaling up production, and important information on safety and potential health risks.

What are Herbal Smoking Blends?

Mixtures of various herbs, flowers, and sometimes spices, serving as an alternative to traditional tobacco or cannabis smoking. They’re crafted for purposes like relaxation, aiding meditation, or simply for their unique flavors and aromas. Unlike tobacco, which contains nicotine, or cannabis, which has THC, herbal blends are often chosen for their lack of these psychoactive or addictive substances, offering a different kind of smoking experience.

Why Craft Your Own Blends?

  • Health Advantages: Many herbs in these blends are selected for their potential health benefits, like soothing respiratory systems or calming the mind, without the harmful effects typically associated with tobacco smoke.[5]
  • Cost-effectiveness: Creating your own blends can be more economical than buying commercial tobacco products, especially if you source herbs locally or grow them yourself.
  • Customization: Blending your own herbs allows for personalization. You can tailor the blend to your taste, desired effects, or even to complement different moods or activities.
  • Avoiding Nicotine: For those looking to quit or reduce nicotine consumption, herbal blends offer a nicotine-free smoking alternative, potentially helping to break the addiction cycle.

Acquiring Herbs:

In order to create your own herbal smoking blend, you will need to first acquire herbs and/or flowers. Understanding where to source them, the distinctions between key terms, and how to store them properly is essential for a quality blend.[3]

Quality and Sustainability:

Purity and potency are key; choose organic or wild-crafted, pesticide-free herbs when available. It is sometimes hard for small farms to acquire an organic certification. So be a little flexible and understanding when interacting with some suppliers and ask them for detailed information on how their herbs are grown.[12]

Consider using suppliers who practice ethical harvesting, wildcrafting or organic farming. Sustainable sourcing helps protect the environment and ensures that the herbs you enjoy today will still be available for future generations.[13]

Get samples before buying in bulk to test for quality and consistency.[14]

Learn How to Assess Herbs for Quality and Viability by Examining Them For:

  • Stems: are harsh and harder to burn than leaf or flower petals and stamens.[15]
  • Seeds: are harsh and can pop when smoked.[19]
  • Dust: which causes uneven burning, makes the smoke harsh, and can clog a pipe, vaporizer, or herbal smokes. Excessive dust may indicate poor quality.[15]
  • Mold or Mildew: visible signs of mold or an off smell can indicate improper drying or storage, making the herbs unusable.[15]
  • Color and Vitality: look for vibrant, natural colors. Dull or faded herbs might have lost potency or been exposed to too much light or heat.[16]
  • Aroma: fresh herbs should have a strong, characteristic scent. A lack of aroma can indicate the herbs are old or have been improperly stored.[16]
  • Unwanted Material: ensure there are no foreign materials or contaminants in the herbs, like bugs, plastic, etc.[17]
  • Moisture content: herbs should feel neither too brittle (over-dried) nor too soft (under-dried).[17]

When Purchasing Herbs, You Need to Understand the Terms Used by Supplies to Describe Them:

Mugwort Herb: the whole plant above the roots ground up.

Herb: generally refers to the whole plant above the roots ground up.

Herb Leaf - The Leaves of the Plant

Leaf: specifically the leaves of the plant, which is what you want. However, depending on the supplier, this material can still contain stems.

Red Lotus Flowers

Flowers: depending on the supplier, this might refer to the whole flower ground up or just parts of it. This should be verified before purchasing.

Whole Flowers

Whole Flowers: refers strictly to the complete, intact flower. Whole flowers will need further processing to be usable in a blend and will likely have parts that you do not want to smoke.

Flower Petals - The Petals and Stamens of the Flower

Flower Petals: only the petals and stamens of the flower. In rare cases this can mean just the petals and not the stamens. This is what you want to acquire for blending whenever available.

Storing Herbs:

Before storing, check the material to see if it’s too moist. Herbs need to be dried at the right moisture level, or they will mildew and mold when stored and can also become infested with bugs. If so, you will need to dry them further before storing them. Air drying in a greenhouse or using a dehydrator at low settings is ideal.[11] After you have verified the material is properly dried, store it at or slightly below room temperature in a dark, bug-proof, airtight container.[11]

An Herbal Blend that Molded Because Some of the Herbs Were Not Dry
Some of the herbs in this blend were not properly dried and molded during storage.

Creating Your Blend

Many herbs suitable for smoking can also make excellent tea, so consider evaluating them for dual use.[3]

Sampling and Understanding Medicinal Properties:

Taste: Sample the herb to see how it tastes, how strong the flavor is, and how harsh or smooth it is to determine which herbs will blend well together and in what proportions.[3]

Medicinal Properties: Research if the herb is stimulating, relaxing, etc., so you do not mix herbs with opposing properties unless intended. Some herbs have been documented to complement and possibly enhance other herbs.[5]

Example of Fluffy, Dense and Larger Herbs

Consistency and Size: Consider the texture and size of the herb. Is it light and fluffy, or dense? How will it blend with other herbs? Blending small material with large can result in an uneven mix, since smaller particles tend to sink to the bottom, affecting the blend’s consistency.[21]

Smoking Devices: Herbs will burn differently when rolled or smoked in pipes or vaped. Identifying this is crucial for blending them. For example, some herbs may not burn well in papers, so you can blend them with herbs that do, or vice versa. This information allows you to perfect blends specifically for use in vapes, papers, or pipes.[3]

Blending the Herbs:

Blending herbs requires precision and experimentation. Here’s how to mix, test, and refine your blend.

  • Quantities: Other articles recommend starting with ratios like 5 parts base herb, 3 parts supportive, and 2 parts flavoring. This can make sense to avoid diluting the herbs in your blend by using too many herbs. However, this fixed ratio isn’t universally applicable; the flavor and medicinal properties of herbs can vary, so your blend’s proportions should ultimately be determined by your own testing. Use a scale to measure out your herbs accurately during the initial blending. Keeping detailed records will help you replicate successful blends and adjust proportions for future batches, ensuring consistency and aiding in making larger batches.[1]
  • Start with Small Batches: Begin making small amounts of the blend to test and adjust without wasting herbs. This approach allows for fine-tuning based on taste, potency, and effect. Don’t be afraid to experiment! Sometimes, blending herbs that shouldn’t work well together in theory can result in unique and enjoyable blends.[2]
  • Check and Prepare Herbs: Before mixing, check your herbs for stems, seeds, or any other unwanted materials. In some cases, manual removal of stems or seeds might be necessary.[10]
  • Mixing: To mix your herbs, place them into a clean, dry bowl. For hygiene, consider wearing gloves. Use your hands to thoroughly combine the herbs, ensuring even distribution. If the herbs vary significantly in size, layer them in the bowl to assist in mixing. For example, put smaller herbs on top of larger ones so the smaller material sinks into the larger material. Mix for several minutes to achieve a uniform blend.[10]
  • Inspect the Blend: After mixing, stop and look at the mixture to see how well the herbs have mixed together. Are they evenly distributed, or do you see clumps or separation of different herbs?[10]

Sampling and Refining the Blend:

Smoke a small amount of the blend to assess the taste, burn quality, and effects. Make adjustments if needed. Enjoy the process of perfecting your blend; take your time and experiment and observe how each change impacts the quality of the blend.[3]

When the blend is perfected, it’s time to make a larger batch by using the ratios and quantities used during sampling.

Making a Larger Batch:

Food Safe Bin for Blending Herbs

Option 1: Large Food-Safe Bin: Add the herbs to the bin and manually stir them with your hands, ensuring that even distribution is achieved across the entire batch. Wearing gloves is suggested for hygiene. This method is ideal for mixing herbs that are difficult to blend.

Food Safe Bucker for Mixing Herbal Smoking Blends

Option 2: Sealed Container like a Large Bucket: Place all the herbs into the bucket, seal it, then turn it over several times from the lid-up to lid-down position. After this, turn the bucket sideways and gently shake it, then repeat this process until the herbs are evenly mixed. Note that fluffy materials like mugwort, mullein, or flowers like wild dagga petals might not mix well using this method and could require hand-mixing for better distribution.

Popular Herbs for Smoking Blends

When crafting smoking blends, numerous herbs can be used—way too many to list here. These are four of the most popular.

Mullein: This plant got its name from the French word for “soft,” reflecting the plant’s velvety leaves, and is known for its soothing properties on the respiratory system and relieving congestion even when smoked. Mullein is very fluffy, which makes it hard to blend with other herbs; it burns faster than other herbs and is challenging to roll. In the old days, mullein was not typically used in blends; instead, its flower spike was sold because it resembled the buds of another popular smoking herb.[5]

Damiana

Damiana: This herb is often used to promote relaxation, improve one’s mood, and is touted as an aphrodisiac. It has a slightly sweet, earthy flavor, making it a good supportive herb in blends aimed at stress relief.[5]

Lavender Flowers

Lavender: Adds a pleasant floral aroma and flavor to blends. Beyond its taste, lavender is renowned for its calming and stress-relieving qualities, making it ideal for blends designed for relaxation or before sleeping.[5]

Mint Leaf

Mint: Provides a refreshing, cooling sensation when smoked, which can help to clear the palate and lungs, potentially aiding in respiratory comfort as well.[5]

To find more herbs to use in herbal smoking blends, check out Smoking Herbs List and Guide: Benefits, Safety, and History which lists 10 smoking herbs and 4 runner-ups, offering insights into their uses, effects, and blending potential. Never stop looking for new, safe herbs to try in your blends.

Herbal Smoking Blend Recipe:

This recipe provides a basic foundation. You can start experimenting by tweaking the proportions, adding herbs for flavor, or adjusting for your preferred smoking method. It also makes a great tea!

  • Mullein Leaf – 3 parts
  • Damiana Leaf – 5 parts

We’d love to hear about your favorite blends and any tips you have for blending. Please share your creations and insights with us!

Safety and Health Risks:

  • Respiratory Health Risks: Even though herbal smoke may contain fewer toxins than tobacco, inhaling any smoke introduces particulates and carbon monoxide into your lungs, which can lead to respiratory irritation or long-term health issues if done excessively. Herbs are often used for their soothing properties, but if you have existing respiratory conditions, proceed with caution or consider non-smoking methods like teas or tinctures.[11]
  • Allergies: Some individuals might be allergic to certain herbs. Always test a small amount first, especially if you’re new to an herb. Symptoms can range from mild irritation to severe allergic reactions. This can be serious for pregnant women or individuals with health problems.[11]
  • Moderation: Moderation is key. Overuse can lead to health concerns.[11]
  • Cautions: Some herbs, even when traditionally used in smoking blends, can have contraindications for pregnant or nursing women, people with health conditions, or taking medications. Anyone in one of those categories should consult their doctor prior to using new smoking blends or herbs.[11]
  • Quality Control: The quality of the herbs used directly impacts safety. Ensure herbs are free from pesticides, heavy metals, and mold.[17, 18]
  • Education and Awareness: Educate yourself on each herb’s profile. Some might be safe in small quantities but harmful in larger ones or when combined with other herbs.[11]

This article provides a comprehensive guide on crafting herbal smoking blends, from understanding the basics to the nuances of blending and usage, while emphasizing the importance of safety, health, and sustainability. Remember, enjoying herbal blends is about enhancing experiences, not compromising health or the environment.[11]

Sources:

  1. How To Craft Your Own Herbal Smoking Blends – theherbalacademy.com
  2. How to Make Herbal Cigarettes: 14 Steps (with Pictures) – www.wikihow.com
  3. Make your own Herbal Smoking Blends – www.pixiespocket.com
  4. How To Smoke Herbs (With 3 Herbal Smoking Blends) – plantedwithkatie.com
  5. What Herbs Can You Smoke? – Euphoric Herbals – www.euphoricherbals.com
  6. DIY Herbal Cigarettes – Smoking Room – smoking-room.net
  7. Herbal Smoking Blends – Hermi(one) Banger – hermionebanger.com
  8. Harnessing herbal smoking: Discover smokable herbs – spliffherbals.com
  9. Ultimate Guide to Tobacco-Free Herbal Cigarettes – herbalhenna
  10. Hand Processing Herbs – Smokingblends.com
  11. Advancing herbal medicine: enhancing product quality and safety through robust quality control practicesHongting Wang
  12. What to Look for When Buying Herbs & Spices – sunwarrior.com
  13. How to Choose High Quality Herbs and Herbal Remedies – Bloom Institute – bloominstitute.ca
  14. 4 Tips to Identify Quality Herbs – www.evherbs.com
  15. 4 + 1 Ways to Distinguish Quality Herbs – tofillo.com
  16. Quality of herbal medicines: challenges and solutionsJunhua Zhang 
  17. What You Should Know About Chinese Herbs – Cleveland Clinic
  18. Quality specifications for herbs and spices – ScienceDirect – www.sciencedirect.com
  19. Can You Smoke Weed Stems? Here’s What Happens – www.healthline.com
  20. Smoking Herbs List and Guide: Benefits, Safety, and History – www.smokingblends.com
  21. Herbal Smoking Mixes – Nome McBride

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Guide to Safe, Natural Ways of Boosting Energy

This comprehensive guide explores safe, natural methods to improve your energy, focusing on vitamins, minerals, nutrients, herbal supplements, and lifestyle adjustments. Whether you’re looking to kick fatigue or just want to maintain your vitality, these strategies can help you acquire and keep more energy naturally.

Vitamins, Minerals, and Electrolytes

  • B Vitamins: Crucial for converting food into energy:
    • Sources: Whole grains, meat, eggs, dairy products, leafy greens, and legumes.[1][2]
    • Types: Thiamin (B1), Riboflavin (B2), Niacin (B3), Pantothenic Acid (B5), Pyridoxine (B6), Biotin (B7), Folic Acid (B9), Cobalamin (B12).
  • Vitamin C: Vital for energy production in cells.
    • Sources: Citrus fruits, strawberries, bell peppers, broccoli, and kale.[2]
  • Iron: Essential for oxygen transport in the blood, combating fatigue.
    • Sources: Red meat, quinoa, lentils, spinach, and fortified cereals.[2]
  • Vitamin D: Affects mood and energy levels.
    • Sources: Sun exposure, fatty fish, fortified foods, and supplements.[2]
  • Coenzyme Q10 (CoQ10): Vital for energy production within cells.
    • Sources: Organ meats, fish, whole grains, and available as a supplement.[3]
  • Electrolytes: Crucial for hydration, muscle function, and nerve signaling; they boost energy by carrying oxygen and nutrients to your cells, preventing fatigue and muscle cramps.
    • Magnesium: Essential for energy production, muscle, and nerve function.
      • Sources: Nuts, seeds, whole grains, leafy green vegetables, legumes, and supplements.[2][4]
    • Sodium: Helps maintain fluid balance and nerve function.
      • Sources: Salt, pickles, and sports drinks.[4]
    • Potassium: Critical for muscle contractions and heart function.
      • Sources: Bananas, orange juice, spinach, and potatoes.[4]
    • Calcium: Involved in muscle movement and nerve signaling.
      • Sources: Dairy products, leafy greens, and fortified foods.[4]
    • Chloride: Works with sodium to maintain fluid balance.
      • Sources: Table salt, seaweed, tomatoes.[4]

Additional Nutrients

  • Omega-3 Fatty Acids: Support cognitive function and reduce inflammation.
    • Sources: Fatty fish, flaxseeds, chia seeds, and walnuts.[5]
  • L-Carnitine: Transports fatty acids into mitochondria for energy.
    • Sources: Red meat, dairy products, fish, and supplements.[5]
  • Tyrosine: Supports alertness and cognitive function.
    • Sources: Cheese, soy products, chicken, turkey, and fish.[6]
  • MCT Oil: Quick source of ketones for energy.
    • Sources: Coconut oil, palm kernel oil, or supplements.[7]

Herbal and Dietary Supports

  • Adaptogens like Ashwagandha, Rhodiola, Ginseng, and Cordyceps:
    • Cordyceps: Boosts ATP production, enhances oxygen use, and manages stress.[8]
  • Complex Carbohydrates: For sustained energy release.
    • Sources: Whole grains, potatoes, oats, and fiber-rich vegetables.[9]
  • Protein: Essential for muscle repair and preventing fatigue.
    • Sources: Meat, poultry, fish, eggs, dairy, legumes, and nuts.[9]
  • Green Tea: Offers antioxidants and L-theanine for calm alertness.[10]
  • Bee Pollen: Used for vitality, though scientific support is limited.[11]
  • Beetroot Juice: Enhances blood flow and oxygen delivery.[12]

Lifestyle Tips

  • Hydration: Adequate water intake is crucial.[13]
  • Natural Light Exposure: Regulates mood and alertness.[14]
  • Physical Activity: Boosts endurance and mood.[15]
  • Sleep Quality: Improves energy levels.[16]

Important Note:

Consult with a healthcare provider before starting any new supplement to ensure it’s safe for you, especially if you have underlying health issues or are on medication.[17]

Conclusion

Boosting your energy levels naturally involves a multifaceted approach that considers not just what you consume, but also how you live. The key to lasting vitality lies in balance – a balanced diet, balanced activities, and balanced rest.

Sources

1. Vitamin B12 Deficiency Can Be Sneaky, Harmful, Harvard Health Publishing
2. Vitamin and Mineral Supplement Fact Sheets – National Institutes of Health – Office of Dietary Supplements
3. Coenzyme Q10: 3. The Essential Nutrient – R. H. Crane and M. J. Blumenthal
4. Electrolytes can give the body a charge, but try not to overdo it., American Heart Association
5. Omega-3 Fatty Acids and Inflammatory Processes – by P. C. Calder.
6. Tyrosine – ScienceDirect
7. MCT Oil 101: A Review of Medium-Chain Triglycerides – Healthline
8. A Systematic Review of the Mysterious Caterpillar Fungus Ophiocordyceps sinensis in Dong-ChongXiaCao (冬蟲夏草 Dōng Chóng Xià Cǎo) and Related Bioactive Ingredients – J. D. Ji et al.
9. Carbohydrates – The Nutrition Source
10. Efficacy of a green tea extract rich in catechin polyphenols and caffeine in increasing 24-h energy expenditure and fat oxidation in humans – by A. G. Dulloo et al.
11. Bee Pollen: Chemical Composition and Therapeutic Application – by K. Komosinska-Vassev et al.
12. Dietary Nitrate Supplementation and Exercise Performance – Andrew M Jones
13. Staying Hydrated, Staying Healthy – American Heart Association
14. Light and Sleep – Sleep Foundation
15. Physical Activity – Centers for Disease Control and Prevention
16. How Much Sleep Do We Really Need? – National Sleep Foundation
17. Dietary supplements: What you need to know – Mayo Clinic

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Yerba Mate: History, Preparation, Taste, and Health Benefits

Yerba Mate: History, Preparation, Taste, and Health Benefits

Yerba mate, a traditional South American beverage made from the leaves of the Ilex paraguariensis plant, which grows in the subtropical Atlantic forests of Brazil, Paraguay, Uruguay, and Argentina, has a long history among indigenous communities such as the Guarani and is now gaining international recognition.

Historical Background

The Guarani people used yerba mate long before European colonization. The term ‘yerba’ translates from Guarani ‘ka’a’ meaning ‘plant’ or ‘herb’, and ‘mate’ from Quechua ‘mati’, meaning ‘cup’. Introduced to the Spanish in the 1500s, yerba mate was disseminated across the Viceroyalty of Peru by conquistadors and Jesuit missionaries, influencing regions now known as Argentina, Bolivia, Chile, Ecuador, Paraguay, Peru, and Uruguay [1][2].

Cultural Significance

The Yerba mate drink is integral to the cultural fabric of Argentina, Uruguay, and Paraguay, often featured in literature, music, and daily life. It inspired the first written tango lyrics and is a staple in social gatherings.

Yerba mate has found a place in other cultures Beyond South America:

  • It is notably consumed in Lebanon and Syria, where it is a significant import.
  • In the North Atlantic, it’s used in various forms, including energy drinks and tea bags [1][2].

Smooth Energy

Yerba mate contains caffeine, theophylline (found in tea), and theobromine (found in chocolate); this combination produces a smoother energy boost when compared to coffee or tea [4].

Preparation and Consumption

You’ll Need:

  • Yerba Mate
  • A cup with a narrow top or a Mate Gourd
  • A Bombilla (Mate Straw)
  • Water

For new Gourds

  • Cure your gourd by filling it with yerba mate and hot water, let it sit for a day, then empty and scrub the inside. Repeat this process at least once.

Steps to Brewing the Perfect Yerba Mate:

  • Fill the Gourd: Add yerba mate to fill about half to two-thirds of the gourd. Cover the gourd with your hand, invert it, and gently shake to bring the finer particles to the top.
  • Position the Gourd: Tilt it at a 45-degree angle and uncover it. Keep this angle, sometimes using the bombilla to prop it up if necessary.
  • Moisten the Mate: Pour room temperature water into the empty side, keeping the water level below the top of the mate. Let the mate absorb the water for a few minutes this will help lift finer particles to the top of the mate
  • Insert the Bombilla: Place the bombilla into the side with the water, ensuring it reaches the bottom. Avoid stirring.
  • Add Hot Water: Gradually pour hot water (not boiling, ideally no hotter than 140°F) into the same side. Keep the water level below the mate’s surface. Some prefer using room-temperature water.
  • Drink: Sip through the bombilla until the water is gone. Try to keep the bombilla steady. You can refill with water for multiple servings, depending on the mate quantity, type, and water temperature.

Keep in mind, Mate can also be brewed the same as tea leaves.

After Use:

Empty the gourd, rinse with water, and pat dry both inside and out. Avoid soap to preserve the flavor for future uses. Some people dry their gourd in the sun.

Taste

Green Aged Leaf

Pile of Green Yerba Mate

A blend of earthy, grassy notes, similar to what you might find in green tea, but slightly more robust. The aging process mellows the leaf, lessening bitterness and providing a smooth, almost sweet taste.

Roasted (smoked) Leaf

Pile of Roasted Yerba Mate

Roasted leaf provides a bold, smoky, nutty flavor with a hint of dark chocolate, similar to dark roast coffee but without the acidity.

Health: Yerba Mate Benefits

  • Rich in Antioxidants: Contains polyphenols, which combat oxidative stress [3].
  • Weight Management: Studies suggest it may increase fat oxidation and reduce appetite, aiding weight control [3][4].
  • Heart Health: May improve cholesterol levels and reduce blood pressure [3].
  • Mental Alertness: May enhances cognitive functions like focus, memory [4].

Conclusion

Yerba mate’s journey from South American tradition to a global phenomenon showcases not just a beverage but a botanical that connects people across continents. Whether sipped from a traditional gourd in Buenos Aires or enjoyed in a modern energy drink in New York, yerba mate offers a unique taste and gentle energy, inviting everyone to partake in its rich heritage.

References

  1. Yerba-maté – Wikipedia
  2. Tracing the origins of yerba mate – ASU News
  3. What Is Yerba Mate? And the History of Yerba Mate – Amigofoods Blog
  4. What is yerba mate? and is this caffeinated drink really good for you – National Geographic
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8 Fun Ways to Stay Fit and Healthy Without Going to the Gym

Woman Hiking

Tired of the monotony of treadmill sessions and weightlifting routines? Does the gym feel more like a chore than a choice? If so, you’re not alone. Many find traditional workouts lack excitement, which can lead to losing motivation over time. Staying fit doesn’t have to be a drag. Here are eight fun activities that will keep you healthy and motivated, making fitness feel like an adventure rather than a duty.

1. Swimming

Facts: Swimming is a low-impact sport that works almost every muscle in your body. It’s excellent for cardiovascular health and can burn up to 500 calories per hour, depending on intensity.

Benefits: It helps improve muscle strength, endurance, and flexibility. It’s also particularly beneficial for people with joint issues or those recovering from injuries because water supports the body, reducing strain on joints.

2. Walking

Facts: Brisk walking can burn around 300 calories per hour for an average person. It’s easy on the joints and can be done almost anywhere.

Benefits: Regular walking can reduce the risk of heart disease, improve mood, and enhance bone health. It’s also a great way to increase daily activity levels without needing special equipment.

3. Cycling

Facts: Cycling can burn between 400 and 1000 calories per hour, depending on the intensity and speed. It’s an excellent way to explore nature and a great option for traveling to reasonably close destinations.

Benefits: It builds strength in the legs, core, and back. Cycling also significantly benefits cardiovascular health and can improve mental well-being by reducing stress.

4. Gardening

Facts: Gardening can burn around 300 calories per hour, similar to walking, depending on the tasks involved.

Benefits: It’s a fantastic way to improve both physical and mental health. Gardening involves bending, stretching, and lifting, and being outdoors reduces stress.

5. Dancing

Facts: Dance forms like Zumba, salsa, or even dancing at home can burn 400–600 calories per hour.

Benefits: Dancing enhances cardiovascular endurance, coordination, balance, and agility. It’s also a fun way to socialize, which can reduce feelings of loneliness or anxiety.

6. Hiking

Facts: Hiking on varied terrain can burn more calories than flat walking, with estimates ranging from 400-600 per hour.

Benefits: It not only boosts physical fitness through cardiovascular exercise but also strengthens muscles, particularly in the legs and core muscles. The mental health benefits include reduced depression and anxiety from being in nature.

7. Organized Sports

Facts: Sports like flag football, ultimate frisbee, and kickball involve team dynamics with minimal contact, focusing on agility, strategy, and coordination. These activities are adaptable to various environments, from parks to schoolyards.

Benefits: Engaging in these sports not only improves cardiovascular health through running and active play but also improves social skills. They boost strategic thinking and quick decision-making in real-time scenarios.

8. Climbing

Facts: Climbing is a sport that can be enjoyed in both natural and artificial settings.

Benefits: Climbing enhances physical strength, problem-solving skills, and coordination while challenging your mental focus. It’s a great way to push personal boundaries and build confidence. Finding a safe, local climbing facility or outdoor spot is key to exploring this engaging sport safely and effectively.

By seeking out healthy activities you enjoy, you can stay fit in ways that are both effective and exhilarating. There’s a perfect exercise out there for everyone! Go out and find it. What do you have to lose?

Sources:

  1. American Heart Association Recommendations for Physical Activity in Adults and Kids – American Heart Association
  2. Exercising in water: Big heart benefits and little downside – Harvard Medical School
  3. Strengthening Your Mental Fitness – Mayo Foundation for Medical Education
  4. Physical Activity and Your Weight and Health – Centers for Disease Control and Prevention
  5. Gardening for health: a regular dose of gardeningRichard Thompson
  6. The Restorative Effect of the Natural Environment on University Students’ Psychological Health – Journal of Environmental and Public Health
  7. Rock climbing brings unexpected benefits – Melanie Radzicki McManus, CNN
  8. Annual Health Care Cost Benefit of Equitable Access to Parks: Interact with the Data – National Recreation and Park Association (NRPA)
  9. Dancing as a WorkoutJodi Helmer
  10. Exercise Library: Workouts & Fitness Guides from ACE – The American Council on Exercise