What Is Forest Bathing?

what is forest bathing

Research

Forest bathing, described with an increasingly clear scientific background since 1982, encompasses the concept of spending time in wooded areas and ‘bathing’ all the senses in the experience of being in the forest. Researchers describe a tremendous number of benefits, including lower stress hormones (such as cortisol), lower anxiety and better ability to withstand stress, and in general a significantly increased sense of well-being. These are to a large extent attributed to phytoncides, which include the class compounds called terpenes.

As written by Bum-Jin Park, et. al., in The Physiological Effects Of Shinrin-Yoku (Taking In The Forest Atmosphere Or Forest Bathing): Evidence From Field Experiments In 24 Forests Across Japan1, “From the perspective of physiological anthropology, human beings have lived in the natural environment for most of the 5 million years of their existence. Therefore, their physiological functions are most suited to natural settings. This is the reason why the natural environment can enhance relaxation”. He continues “While subjects viewed forest landscapes or walked around forest environments, their pulse rate, and cortisol concentration decreased.”

The Olfactory System

While the beneficial effects of forest bathing can be attributed to more than just the sense of smell, there is no denying that the olfactory system is largely involved. Alpha-pinene is a commonly occurring terpene found in a number of plants, including pine forests. “Collectively, these results indicate that a weak smell of alpha-pinene induces a relaxed physiological state 2…” Also “blood pressure started to decrease after the 20s from the commencement of inhalation [of limonene].”3

When further analyzing whether these effects occur largely from the olfactory system (the sense of smell), it is interesting to note that Yuko Tsunetsugu, goes on to state in Trends In Research Related To “shinrin-yoku” (Taking In The Forest Atmosphere Or Forest Bathing) In Japan 4 that:

“The results of various studies on other scents, such as lavender, lemon, valerian, and others, showed considerable agreement with respect to the fact that the effectiveness of odors in… lowering blood pressure, and suppressing renal sympathetic nerve activity disappeared in anosmic mice or rats, thus indicating the mediation of the olfactory system in the whole process.”and “it is likely that phytoncides exert their effects via the olfactory processing pathway, and not via the blood-borne route.”

One conclusion that can be drawn from these various statements is that the tremendously beneficial physiological effects of being in a forest, more specifically forest bathing, including lowering of blood pressure, pulse rate, and the stress hormone cortisol, are significantly due to merely smelling the wide variety of terpenes and other phytoncides which are emitted by plants in the forest.

forest bathingEvolution

This makes sense as follows: Just as there is sodium chloride (salt) in animals’ cells, most probably in relation to our early evolution from the oceans, our later evolution in the forests and savannas would lead to an environment in which the secondary metabolites of plants, such as terpenes and terpenoids, were very prevalent for millions of years.

Animals evolved, and developed their homeostatic mechanisms while breathing in these terpenes. It is well known that many terpenes are anxiolytic, that is they lower stress levels.

Now that we have largely migrated into cities, it may be the lack of terpenes in our daily breathing these days that leads to an increase in stress. It is the replacement of these naturally occurring terpenes through aromatherapy, such as via the use of Forest essential oil diffusers, that brings us to the natural state of lowered stress.


Eric Fishman, MD

By Eric Fishman, M.D.

With substantial experience in western medicine, including decades of operating on patients, and an interest in eastern medicine through practicing yoga and homeopathic remedies, Dr. Eric Fishman has developed MONQ® Therapeutic Air® products, allowing millions to enjoy the benefits of aromatherapy in an easy-to-use personal diffuser. An orthopedic surgeon, holistic physician, yogi, and creator of MONQ (the healthy lifestyle brand promoting personal essential oil diffusers and other wellness products), Dr. Fishman takes a scientific approach to holistic health.

Favorite MONQ blend: Zen

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The above information relates to studies of specific individual essential oil ingredients, some of which are used in the essential oil blends for various MONQ diffusers. Please note, however, that while individual ingredients may have been shown to exhibit certain independent effects when used alone, the specific blends of ingredients contained in MONQ diffusers have not been tested. No specific claims are being made that use of any MONQ diffusers will lead to any of the effects discussed above.  Additionally, please note that MONQ diffusers have not been reviewed or approved by the U.S. Food and Drug Administration. MONQ diffusers are not intended to be used in the diagnosis, cure, mitigation, prevention, or treatment of any disease or medical condition. If you have a health condition or concern, please consult a physician or your alternative health care provider prior to using MONQ diffusers. MONQ blends should not be inhaled into the lungs.

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