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Science Finds That “Forest Bathing” Can Really Make Us Mentally Healthier

Science Finds That “Forest Bathing” Can Really Make Us Mentally Healthier

What is Forest Bathing?

Forests have always held a special place in the hearts and minds of people everywhere. In 1982, the Forest Agency of Japanese government initiated shinrin-yoku, a national public health program. Its objective is to encourage Japanese residents to get involved with nature and to expose their bodies and minds to the overhead tree canopy. This eco-therapy is relatively simple as the goal is to accomplish nothing. When forest bathing, there is no need to hike or run. The focus is on merely roaming about the forest, taking it all in, and breathing.

The notion that time spent in the forest results in improved physical and mental health is not new, but rather rooted in many ancient customs and traditions. Today, however, research has backed up these claims. Some of the proven benefits of forest bathing include reduced production of the stress hormone cortisol, boosted levels of happiness, and an increased ability to focus and concentrate.

The Effects Of Forest Bathing On Cortisol Levels

One Japanese study, conducted under Institutional Ethical Committee of the Forestry and Forest Products Research Institute regulations, set out to measure the effects of forest bathing on cortisol levels. Researchers gathered 280 subjects and identified 24 forests for testing. Each experiment involved groups of 12 individuals walking through and viewing either forests or urban areas.

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Cortisol measurements were taken at the research facility in the mornings before breakfast, before and after walking, and before and after viewing. The test took place over 2 days. On the first day, the group was split between urban and forest settings and on the second day, they switched locations.

Results indicated that forest exposure led to lower concentrations of cortisol, the stress hormone, as well as reduced blood pressure and heart rate.

Other Positive Psychological Effects Were Proven

Other research has indicated that forest bathing has positive psychological effects. In this study, researchers utilized the State-Trait Anxiety Inventory Scale and the Multiple Mood Scale, which measures depression, friendliness, boredom, hostility, liveliness, and well-being.

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498 volunteers participated over a span of 2 days. On the first day, they answered the surveys twice after forest exposure. The second day was a control in which participants responded to the surveys in a controlled environment.

Results concluded that, after forest bathing, hostility and depression decreased while liveliness increased. Interestingly, the findings indicated that the effect was greater on higher levels of stress. This research suggests that forest bathing can be beneficial as a stress reduction tool which may, in turn, reduce the risk of psychosocial stress-related diseases.

It Can Also Boost Your Immune System

Yet another benefit of forest bathing is that it boosts immune system functioning. Several studies have shown an increase in Natural Killer cells (NK cells) after exposure to forests and phytoncide, an essential oil derived from wood.

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NK cells produce a rapid immune reaction against viral-infected cells and work to prevent tumor formation. These cells are able to identify, attack, and kill infected cells that lack major histocompatibility complex (MHC). Without MHC, detection of infections is missed by other cells, like T lymphocytes. Researchers, who had previously shown that NK cell production remains elevated in both men and women for longer than 7 days after a weekend forest trip, conducted another study in 2010.

This time, the researchers sought to measure the effects of a 1-day trip to the forest in male immune systems. Twelve volunteers participated in the study, walking for 2 hours in a forest in the morning and afternoon. Researchers took blood and urine samples prior to the trip and for 8 days following forest exposure. The findings indicated that NK cell and anti-cancer protein activity increased after the forest bathing experience. Tests of the forest air also identified a presence of phytoncides.

Get out of the city!

Armed with this information, it’s safe to say that you deserve a trip either out of the city or to a nearby forest park this weekend. Find a walk under the trees that is easy and preferably under 3 miles. Stroll slowly, take in your surroundings, and find somewhere to sit and think for a while. Practice deep breathing and remember, the goal is simply to spend time in the forest. You’ll come away feeling refreshed, relaxed, and more energetic!

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Featured photo credit: Ersi via Pixabay via pixabay.com

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Amber Pariona

EFL Teacher, Lifehack Writer, English/Spanish Translator, MPA

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Last Updated on March 24, 2021

8 Smart Home Gadgets You Need in Your House

8 Smart Home Gadgets You Need in Your House

We’ve all done it. We’ve gone out and bought useless gadgets that we don’t really need, just because they seemed really cool at the time. Then, we are stuck with a bunch of junk, and end up tossing it or trying to sell it on Ebay.

On the other hand, there are some pretty awesome tech inventions that are actually useful. For instance, many of the latest home gadgets do some of your work for you, from adjusting the home thermostat to locking your front door. And, if used as designed, these tools should really help to make your life a lot easier—and that’s not just a claim from some infomercial trying to sell you yet another useless gadget.

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Take a look at some of the most popular “smart gadgets” on the market:

1. Smart Door Locks

A smart lock lets you lock and unlock your doors by using your smartphone, a special key fob, or biometrics. These locks are keyless, and much more difficult for intruders to break into, making your home a lot safer. You can even use a special app to let people into your home if you are not there to greet them.

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2. Smart Kitchen Tools

Wouldn’t you just love to have a pot of coffee waiting for you when you get home from work? What about a “smart pan” that tells you exactly when you need to flip that omelet? From meat thermometers to kitchen scales, you’ll find a variety of “smart” gadgets designed to make culinary geeks salivate.

3. Mini Home Speaker Play:1

If you love big sound, but hate how much space big speakers take up, and if you want a stereo system that is no bigger than your fist, check out the Play:1 mini speaker. All you have to do is plug it in, connect, and then you can stream without worrying about any interruptions or interface. You can even add onto it, and have different music playing in different rooms.

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4. Wi-Fi Security Cameras

These are the latest in home security, and they connect to the Wi-Fi in your home. You can use your mobile devices to monitor what is going on in your home at all times, no matter where you are. Options include motion sensors, two-way audio, and different recording options.

5. Nest Thermostat

This is a thermostat that lives with you. It can sense seasonal changes, temperature changes, etc., and it will adjust itself automatically. You will never have to fiddle with a thermostat dial or keypad again, because this one basically does all of the work for you. It can also help you to save as much as 12% on heating bills, and 15% on cooling bills.

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6. Smart Lighting

Control your home lighting from your remote device. This is great if you are out and want to make sure that there are some lights on. It is designed to be energy efficient, so it will pay for itself over time because you won’t have to spend so much on your monthly energy bills.

7. Google Chromecast Ultra

Whether you love movies, television shows, music, etc., you can stream it all using Google Chromecast Ultra. Stream all of the entertainment you love in up to 4K UHD and HDR, for just $69 monthly.

8. Canary

This home security system will automatically contact emergency services when they are needed. This system offers both video and audio surveillance, so there will be evidence if there are any break-ins on your property. You can also use it to check up on what’s happening at home when you are not there, including to make sure the kids are doing their homework.

Featured photo credit: Karolina via kaboompics.com

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