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The impact of forest bathing on psychological and physical well-being – review of current literature
 
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1
Warszawski Szpital Południowy Sp. z o.o. / Warsaw Southern Hospital, Poland
 
2
5th Military Clinical Hospital with Polyclinic SPZOZ in Krakow, Poland
 
3
Centrum Medyczne w Łańcucie Sp. z o.o. / Medical Center in Łańcut, Poland
 
4
Szpital św. Anny w Miechowie / St. Anne’s Hospital in Miechów, Poland
 
5
Department of Medical Education, Jagiellonian University Medical College in Krakow, Poland
 
6
Samodzielny Publiczny Zakład Opieki Zdrowotnej MSWiA w Krakowie / Independent Public Healthcare Facility of the Ministry of Interior and Administration in Krakow, Poland
 
7
The University Hospital in Krakow, Poland
 
 
Corresponding author
Aleksandra Ożga   

Warszawski Szpital Południowy, Rotmistrza Witolda Pileckiego 99, 02-781 Warszawa
 
 
Ann. Acad. Med. Siles. 2026;80:7-13
 
KEYWORDS
TOPICS
ABSTRACT
Forest bathing, also known as shinrin-yoku, is a nature-based wellness practice that aims to harmonize a person with forest nature. It involves various activities such as walking, watching landscapes and listening to forest sounds that can be used for preventive, treatment, and rehabilitation. Forest bathing has various confirmed and probable health benefits for both physical and mental state. It has gained global recognition for its potential to reduce stress, enhance mental clarity, and improve overall well-being. The most researched and known physical benefits contain reducing stress hormone – cortisol, lowering blood pressure, boosting immune system and improving heart rate. This narrative review aims to assess the impact of forest bathing benefits of psychological and physical well-being. We also try to highlight the potential therapeutic role of forest bathing as a complementary intervention in patients. A comprehensive literature search was conducted in the PubMed database up to 2025. The review included randomized controlled trials, case reports, and pilot studies focused on the impact of forest bathing. Several studies reinforce the premise that forest therapy has a beneficial impact on both physical and mental health across diverse populations. The most extensively studied outcomes include subjective psychological states, along with physiological indicators such as reduced blood pressure, decreased heart rate, and enhanced oxygen saturation. The impact of forest bathing is documented in various research, although further research about its long-term possible effect is needed.
FUNDING
The study did not receive special funding.
CONFLICT OF INTEREST
The authors declare that there is no conflict of interest.
REFERENCES (47)
1.
Li Q, Kobayashi M, Wakayama Y, Inagaki H, Katsumata M, Hirata Y, et al. Effect of phytoncide from trees on human natural killer cell function. Int J Immunopathol Pharmacol. 2009;22(4):951–959. doi: 10.1177/039463200902200410.
 
2.
Kotera Y, Rhodes C. Commentary: Suggesting Shinrin-yoku (forest bathing) for treating addiction. Addict Behav. 2020;111:106556. doi: 10.1016/j.addbeh.2020.106556.
 
3.
What is forest bathing? Polish Forest Bathing And Forest Therapy Association [online] https://kapielelesne.pl/en/for... [accessed on 30 April 2025].
 
4.
Farkic J, Isailovic G, Taylor S. Forest bathing as a mindful tourism practice. Ann Tour Res Empir I. 2021;2(2):100028. doi: 10.1016/j.annale.2021.100028.
 
5.
Forest Bathing: What It Is and Its Potential Benefits. Cleveland Clinic [online] https://health.clevelandclinic... [accessed on 20 April 2025].
 
6.
Tsao TM, Hwang JS, Lin ST, Wu C, Tsai MJ, Su TC. Forest Bathing Is Better than Walking in Urban Park: Comparison of Cardiac and Vascular Function between Urban and Forest Parks. Int J Environ Res Public Health. 2022;19(6):3451. doi: 10.3390/ijerph19063451.
 
7.
Miyazaki Y, Motohashi Y. Forest environment and physiological response. In: Agishi Y, Ohtsuka Y [eds]. New frontiers in health resort medicine. Kokoku Printing Co. Ltd., Sapporo 1996, p. 67–77.
 
8.
Li Q. Effects of forest environment (Shinrin-yoku/Forest bathing) on health promotion and disease prevention – the Establishment of “Forest Medicine”. Environ Health Prev Med. 2022;27:43. doi: 10.1265/ehpm.22-00160.
 
9.
Li Q, Morimoto K, Nakadai A, Inagaki H, Katsumata M, Shimizu T, et al. Forest bathing enhances human natural killer activity and expression of anti-cancer proteins. Int J Immunopathol Pharmacol. 2007;20(2 Suppl 2):3–8. doi: 10.1177/03946320070200S202.
 
10.
Li Q, Morimoto K, Kobayashi M, Inagaki H, Katsumata M, Hirata Y, et al. Visiting a forest, but not a city, increases human natural killer activity and expression of anti-cancer proteins. Int J Immunopathol Pharmacol. 2008;21(1):117–127. doi: 10.1177/039463200802100113.
 
11.
Li Q, Morimoto K, Kobayashi M, Inagaki H, Katsumata M, Hirata Y, et al. A forest bathing trip increases human natural killer activity and expression of anti-cancer proteins in female subjects. J Biol Regul Homeost Agents. 2008;22(1):45–55.
 
12.
Li Q, Kawada T. Effect of forest environments on human natural killer (NK) activity. Int J Immunopathol Pharmacol. 2011;24(1 Suppl):39S–44S.
 
13.
Ulrich RS. Natural Versus Urban Scenes: Some Psychophysiological Effects. Environ Behav. 1981;13(5):523–556. doi: 10.1177/0013916581135001.
 
14.
Kotera Y, Richardson M, Sheffield D. Effects of Shinrin-Yoku (Forest Bathing) and Nature Therapy on Mental Health: a Systematic Review and Meta-analysis. Int J Ment Health Addict. 2022;20:337–361. doi: 10.1007/s11469-020-00363-4.
 
15.
Yeon PS, Jeon JY, Jung MS, Min GM, Kim GY, Han KM, et al. Effect of Forest Therapy on Depression and Anxiety: A Systematic Review and Meta-Analysis. Int J Environ Res Public Health. 2021;18(23):12685. doi: 10.3390/ijerph182312685.
 
16.
Song C, Ikei H, Park BJ, Lee J, Kagawa T, Miyazaki Y. Psychological Benefits of Walking through Forest Areas. Int J Environ Res Public Health. 2018;15(12):2804. doi: 10.3390/ijerph15122804.
 
17.
Berman MG, Kross E, Krpan KM, Askren MK, Burson A, Deldin PJ, et al. Interacting with nature improves cognition and affect for individuals with depression. J Affect Disord. 2012;140(3):300–305. doi: 10.1016/j.jad.2012.03.012.
 
18.
Jimenez MP, DeVille NV, Elliott EG, Schiff JE, Wilt GE, Hart JE, et al. Associations between Nature Exposure and Health: A Review of the Evidence. Int J Environ Res Public Health. 2021;18(9):4790. doi: 10.3390/ijerph18094790.
 
19.
Zeng C, Lyu B, Deng S, Yu Y, Li N, Lin W, et al. Benefits of a Three-Day Bamboo Forest Therapy Session on the Physiological Responses of University Students. Int J Environ Res Public Health. 2020;17(9):3238. doi: 10.3390/ijerph17093238.
 
20.
Park BJ, Tsunetsugu Y, Kasetani T, Kagawa T, Miyazaki Y. The physiological effects of Shinrin-yoku (taking in the forest atmosphere or forest bathing): evidence from field experiments in 24 forests across Japan. Environ Health Prev Med. 2010;15(1):18–26. doi: 10.1007/s12199-009-0086-9.
 
21.
Park BJ, Tsunetsugu Y, Kasetani T, Morikawa T, Kagawa T, Miyazaki Y. Physiological effects of forest recreation in a young conifer forest in Hinokage Town, Japan. Silva Fenn. 2009;43(2):291–301.
 
22.
Tsunetsugu Y, Park BJ, Ishii H, Hirano H, Kagawa T, Miyazaki Y. Physiological effects of Shinrin-yoku (taking in the atmosphere of the forest) in an old-growth broadleaf forest in Yamagata Prefecture, Japan. J Physiol Anthropol. 2007;26(2):135–142. doi: 10.2114/jpa2.26.135.
 
23.
Park BJ, Tsunetsugu Y, Kasetani T, Hirano H, Kagawa T, Sato M, Miyazaki Y. Physiological effects of Shinrin-yoku (taking in the atmosphere of the forest)--using salivary cortisol and cerebral activity as indicators. J Physiol Anthropol. 2007;26(2):123–128. doi: 10.2114/jpa2.26.123.
 
24.
Hoshi Y, Oda I, Wada Y, Ito Y, Yamashita Y, Oda M, et al. Visuospatial imagery is a fruitful strategy for the digit span backward task: a study with near--infrared optical tomography. Brain Res Cogn Brain Res. 2000;9(3):339–342. doi: 10.1016/s0926-6410(00)00006-9.
 
25.
Ohmae E, Ouchi Y, Oda M, Suzuki T, Nobesawa S, Kanno T, et al. Cerebral hemodynamics evaluation by near-infrared time-resolved spectroscopy: correlation with simultaneous positron emission tomography measurements. Neuroimage. 2006;29(3):697–705. doi: 10.1016/j.neuroimage.2005.08.008.
 
26.
Morita E, Fukuda S, Nagano J, Hamajima N, Yamamoto H, Iwai Y, et al. Psychological effects of forest environments on healthy adults: Shinrin-yoku (forest-air bathing, walking) as a possible method of stress reduction. Public Health. 2007;121(1):54–63. doi: 10.1016/j.puhe.2006.05.024.
 
27.
Terasaki M, Kishimoto Y, Koga A. Construction of a multiple mood scale. [Article in Japanese]. Shinrigaku Kenkyu. 1992;62(6):350–356. doi: 10.4992/jjpsy.62.350.
 
28.
Terasaki M, Koga A, Kishimoto Y. Construction of the multiple mood scale short form. In: Proceedings of the 55th Annual Conversation of Japanese Psychological Association, Tohoku, Japan, 29–31 October 1991. [In Japanese].
 
29.
Spielberger CD, Gorsuch RL, Lushene RE. Manual for the State-Trait Anxiety Inventory (self-evaluation questionnaire). Palo Alto, CA: Consulting Psychologists Press; 1970.
 
30.
Ochiai H, Ikei H, Jo H, Ohishi M, Miyazaki Y. Relaxation Effect of Nature Sound Exposure on Gambling Disorder Patients: A Crossover Study. J Integr Complement Med. 2023;29(8):518–525. doi: 10.1089/jicm.2022.0611.
 
31.
Watanabe T, Mizuno T, Shikayama T, Miwa M. Development of a wireless near-infrared tissue oxygen monitor system with high sampling rate. In: Biomedical Optics and 3-D Imaging, OSA Technical Digest (Optica Publishing Group, 2012), paper JM3A.11.
 
32.
Kobayashi H, Ishibashi K, Noguchi H. Heart rate variability; an index for monitoring and analyzing human autonomic activities. Appl Human Sci. 1999;18(2):53–59. doi: 10.2114/jpa.18.53.
 
33.
Kanaya N, Hirata N, Kurosawa S, Nakayama M, Namiki A. Differential effects of propofol and sevoflurane on heart rate variability. Anesthesiology. 2003;98(1):34–40. doi: 10.1097/00000542-200301000-00009.
 
34.
Jo H, Song C, Ikei H, Enomoto S, Kobayashi H, Miyazaki Y. Physiological and Psychological Effects of Forest and Urban Sounds Using High-Resolution Sound Sources. Int J Environ Res Public Health. 2019;16(15):2649. doi: 10.3390/ijerph16152649.
 
35.
Osgood CE, Suci GJ, Tannenbaum PH. The measurement of meaning. University of Illinois Press: Urbana, IL, USA; 1957.
 
36.
Bielinis E, Jaroszewska A, Łukowski A, Takayama N. The Effects of a Forest Therapy Programme on Mental Hospital Patients with Affective and Psychotic Disorders. Int J Environ Res Public Health. 2019;17(1):118. doi: 10.3390/ijerph17010118.
 
37.
Dudek B, Koniarek J. The adaptation of Profile of Mood States (POMS) by D.M. McNair, M. Lorr, L.F. Droppelman. Przegl Psychol. 1987;30:753–762.
 
38.
McNair DM, Lorr M. An analysis of mood in neurotics. J Abnorm Psychol. 1964;69(6):620–627. doi: 10.1037/h0040902.
 
39.
Spielberger CD. Manual for the State-Trait Anxiety Inventory (STAI). Consulting Psychologists Press: Palo Alto, CA, USA; 1983.
 
40.
Sosnowski T, Wrzesniewski K. Research with the Polish form of the State-Trait Anxiety Inventory. In: Spielberger CD, Diaz-Guerrero R [eds]. Cross-cultural Anxiety. Vol.3. Hemisphere/Harper & Row: New York, USA; 1986, pp. 21–35.
 
41.
Chun MH, Chang MC, Lee SJ. The effects of forest therapy on depression and anxiety in patients with chronic stroke. Int J Neurosci. 2017;127(3):199–203. doi: 10.3109/00207454.2016.1170015.
 
42.
Aben I, Verhey F, Lousberg R, Lodder J, Honig A. Validity of the Beck Depression Inventory, Hospital Anxiety and Depression Scale, SCL-90, and Hamilton Depression Rating Scale as screening instruments for depression in stroke patients. Psychosomatics. 2002;43(5):386–393. doi: 10.1176/appi.psy.43.5.386.
 
43.
Riedel M, Möller HJ, Obermeier M, Schennach-Wolff R, Bauer M, Adli M, et al. Response and remission criteria in major depression--a validation of current practice. J Psychiatr Res. 2010;44(15):1063–1068. doi: 10.1016/j.jpsychires.2010.03.006.
 
44.
Barnes LLB, Harp D, Jung WS. Reliability generalization of scores on the Spielberger State-Trait Anxiety Inventory. Educ Psychol Meas. 2002;62(4):603–618. Doi: 10.1177/0013164402062004005.
 
45.
Kavanaugh J, Hardison ME, Rogers HH, White C, Gross J. Assessing the Impact of a Shinrin-Yoku (Forest Bathing) Intervention on Physician/Healthcare Professional Burnout: A Randomized, Controlled Trial. Int J Environ Res Public Health. 2022;19(21):14505. doi: 10.3390/ijerph192114505.
 
46.
Olson K, Sinsky C, Rinne ST, Long T, Vender R, Mukherjee S, et al. Cross-sectional survey of workplace stressors associated with physician burnout measured by the Mini-Z and the Maslach Burnout Inventory. Stress Health. 2019;35(2):157–175. doi: 10.1002/smi.2849.
 
47.
Reis D, Xanthopoulou D, Tsaousis I. Measuring job and academic burnout with the Oldenburg Burnout Inventory (OLBI): Factorial invariance across samples and countries. Burn Res. 2015;2(1):8–18. doi: 10.1016/j.burn.2014.11.001.
 
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