Front Public Health December 2019 PMID 31921741

Combined Effect of Walking and Forest Environment on Salivary Cortisol Concentration.

Hiromitsu Kobayashi, Chorong Song, Harumi Ikei, Bum-Jin Park, Takahide Kagawa, Yoshifumi Miyazaki

Mentions

35
Peak: 12 in Dec 2019
across 5 sources since Dec 2019

Extended reach

91,997
potential audience

Total likes

676

Video views

16,949

Mentions per month

Dec 2019 – Nov 2025

Where it's discussed

  • X / Twitter23 posts
  • YouTube4 videos
  • News4 articles
  • Bluesky2 posts
  • Facebook2 posts

AI synopsis

What people are saying

The collective posts display a strong acceptance of the research, often emphasizing the benefits of forest environments for stress relief with phrases like 'greater cortisol reduction' and 'forest bathing.' The tone and choice of words such as 'study shows' and 'research supports' reflect an appreciation of the findings' importance and potential for societal impact.

AgreementStrong agreement

Most discussion posts strongly support the findings that walking in forest environments reduces stress, referencing phrases like 'greater cortisol reduction' and 'combined effect' to emphasize consensus.

InterestModerate interest

Posts demonstrate moderate curiosity, with some mentioning specific terms like 'forest bathing' and 'salivary cortisol,' indicating an engaged but not highly enthusiastic interest.

EngagementHigh engagement

Many posts actively quote or summarize the research, highlighting aspects like methodology and health benefits; users are clearly engaging deeply with the implications.

ImpactHigh impact

The discussions suggest that this study is viewed as impactful for public health, shown by hashtags like #HealthForAll and terms like 'significant' and 'recommendations,' indicating perceived influence on health practices.

Abstract in brief

  • Walking in a forest environment significantly reduces salivary cortisol levels, indicating a stress-relieving effect, while walking in an urban setting does not produce a similar decrease.
  • The study found a significant interaction between the type of environment and walking, meaning the combination of healthy environment and physical activity impacts cortisol levels more than either factor alone.
  • Although more participants showed decreased cortisol after forest walking compared to viewing forests, this difference was not statistically significant, but overall, walking in nature has a notable positive effect on stress reduction.

Top posts

Most liked on X and Bluesky
Dr. Cam Maximus
@DrCamMaximus · X

7/ Walk somewhere where there is plants. Research shows that "forest bathing" (walking amidst trees) provides greater cortisol reduction during a 15-minute walk. Even urban greenery promote a steeper decline in afternoon cortisol: https://t.co/8oLRThcfGs https://t.co/S27cuiRJPD https://t.co/LQEngkKFKF

Nov 1, 2021 · 18 likes · 2 shares · 3,044 followers View post →
Janani Sivarajah, PhD
@JananiSivarajah · X

Study shows the combined effect of #walking and #forest environment on salivary #cortisol concentrations (typically used to measure human #stress levels). #forestbathing #humanhealth #urbanforestry #urbanecology https://t.co/ixaEEDvNMJ

Dec 16, 2019 · 17 likes · 9 shares · 821 followers View post →
Jake Robinson
@_jake_robinson · X

Aug 31, 2025 · 8 likes · 2 shares · 3,645 followers View post →
Carlos
@carlostuit4 · X

https://t.co/ySmW79CecK

Dec 16, 2019 · 3 likes · 1 share · 776 followers View post →
Frontiers - Public Health
@FrontPubHealth · X

New Research: Combined Effect of Walking and Forest Environment on Salivary Cortisol Concentration: We investigated the effects of walking in a forest environment on salivary cortisol concentrations. Seventy-four young male… https://t.co/7N8U6iedyG #PublicHealth #HealthForAll

Dec 12, 2019 · 1 like · 5,071 followers View post →
Mark Longster
@salivatesting · X

Combined Effect of Walking and Forest Environment on Salivary Cortisol Concentration https://t.co/yj6MKZVRJP #SalivaryCortisol #ForestWalk #Psychology #ForestTherapy #Walking https://t.co/XcN8ce0a7V

Jan 13, 2020 · 1 like · 1 share · 703 followers View post →

All mentions

Alexis Ruiz
@AlexRHdz4 · X

RT @_jake_robinson:

Aug 31, 2025 · 2 shares · 57 followers View post →
Brian McHugh
@BrianMcHugh2011 · X

RT @_jake_robinson:

Aug 31, 2025 · 2 shares · 4,343 followers View post →
Jake Robinson
@jake1.bsky.social · Bluesky

Aug 31, 2025 · 1 like View post →
Jake Robinson
@_jake_robinson · X

Aug 31, 2025 · 8 likes · 2 shares · 3,645 followers View post →
Christopher  John
@thetechguychris · X

Nov 17, 2022 · 6,239 followers View post →
Dr Kat Day (she/her)
@chronicleflask.katday.com · Bluesky

https://www.frontiersin.org/articles/10.3389/fpubh.2019.00376/full

Nov 2, 2022 View post →
Steven Walk
@realStevenWalk · X

RT @DrCamMaximus: 7/ Walk somewhere where there is plants. Research shows that "forest bathing" (walking amidst trees) provides greater cor…

Jan 21, 2022 · 2 shares · 3,464 followers View post →
Dr. Cam Maximus
@DrCamMaximus · X

RT @DrCamMaximus: 7/ Walk somewhere where there is plants. Research shows that "forest bathing" (walking amidst trees) provides greater cor…

Jan 21, 2022 · 2 shares · 3,044 followers View post →
Dr. Cam Maximus
@DrCamMaximus · X

7/ Walk somewhere where there is plants. Research shows that "forest bathing" (walking amidst trees) provides greater cortisol reduction during a 15-minute walk. Even urban greenery promote a steeper decline in afternoon cortisol: https://t.co/8oLRThcfGs https://t.co/S27cuiRJPD https://t.co/LQEngkKFKF

Nov 1, 2021 · 18 likes · 2 shares · 3,044 followers View post →
J P Fanton
@HealthyFellow · X

RT @salivatesting: Combined Effect of Walking and Forest Environment on Salivary Cortisol Concentration https://t.co/yj6MKZVRJP #SalivaryCo…

Jan 16, 2020 · 1 share · 25,982 followers View post →
Mark Longster
@salivatesting · X

Combined Effect of Walking and Forest Environment on Salivary Cortisol Concentration https://t.co/yj6MKZVRJP #SalivaryCortisol #ForestWalk #Psychology #ForestTherapy #Walking https://t.co/XcN8ce0a7V

Jan 13, 2020 · 1 like · 1 share · 703 followers View post →
Mucus papers
@mucuspapers · X

Pubmed: Combined Effect of Walking and Forest Environment on Salivary Cortisol Concentration. https://t.co/0PvHN3Dn3P

Jan 11, 2020 · 41 followers View post →
Jean Challacombe
@JeanChallacombe · X

https://t.co/et2PqHdYBj

Jan 11, 2020 · 883 followers View post →
R. Meyer
@RMeyerCDN · X

RT @JananiSivarajah: Study shows the combined effect of #walking and #forest environment on salivary #cortisol concentrations (typically us…

Dec 17, 2019 · 9 shares · 24 followers View post →
N/A
@johntree1981 · X

RT @JananiSivarajah: Study shows the combined effect of #walking and #forest environment on salivary #cortisol concentrations (typically us…

Dec 17, 2019 · 9 shares · 3,658 followers View post →
Jade
@Jade_Hugs_Trees · X

RT @JananiSivarajah: Study shows the combined effect of #walking and #forest environment on salivary #cortisol concentrations (typically us…

Dec 16, 2019 · 9 shares · 579 followers View post →
GSS Halton-Peel
@GSSHaltonPeel · X

RT @JananiSivarajah: Study shows the combined effect of #walking and #forest environment on salivary #cortisol concentrations (typically us…

Dec 16, 2019 · 9 shares · 762 followers View post →
Pau Oller
@PauOller · X

RT @carlostuit4: https://t.co/ySmW79CecK

Dec 16, 2019 · 1 share · 7,397 followers View post →
Carlos
@carlostuit4 · X

https://t.co/ySmW79CecK

Dec 16, 2019 · 3 likes · 1 share · 776 followers View post →
Siân Williams
@NatureSian · X

RT @JananiSivarajah: Study shows the combined effect of #walking and #forest environment on salivary #cortisol concentrations (typically us…

Dec 16, 2019 · 9 shares · 389 followers View post →
KieronDoickFR
@KieronDoickFR · X

RT @JananiSivarajah: Study shows the combined effect of #walking and #forest environment on salivary #cortisol concentrations (typically us…

Dec 16, 2019 · 9 shares · 1,081 followers View post →
Janani Sivarajah, PhD
@JananiSivarajah · X

Study shows the combined effect of #walking and #forest environment on salivary #cortisol concentrations (typically used to measure human #stress levels). #forestbathing #humanhealth #urbanforestry #urbanecology https://t.co/ixaEEDvNMJ

Dec 16, 2019 · 17 likes · 9 shares · 821 followers View post →
Matt Challacombe
@MattChallacombe · X

RT @JeanChallacombe: https://t.co/sTfTIDjO6R

Dec 14, 2019 · 1 share · 1,942 followers View post →
Jean Challacombe
@JeanChallacombe · X

https://t.co/sTfTIDjO6R

Dec 13, 2019 · 1 share · 883 followers View post →
Frontiers - Public Health
@FrontPubHealth · X

New Research: Combined Effect of Walking and Forest Environment on Salivary Cortisol Concentration: We investigated the effects of walking in a forest environment on salivary cortisol concentrations. Seventy-four young male… https://t.co/7N8U6iedyG #PublicHealth #HealthForAll

Dec 12, 2019 · 1 like · 5,071 followers View post →
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