Forest walks may boost mood and calm nerves, small study suggests

NCT ID NCT07114146

Completed Knowledge-focused Sponsor: University of Vigo Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether walking in a forest changes heart rate, blood pressure, and mood compared to walking indoors on a treadmill. Sixteen healthy adults took part, each completing three outdoor forest walks and one indoor walk. Researchers measured heart rate variability, blood pressure, and mood before and after each walk. The goal was to see if nature exposure has measurable short-term benefits for the body and mind.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: walking in forest environments
What this could lead to: If it works, this could point toward simple, nature-based ways to improve mood and reduce stress in healthy people.
What could go wrong: This is a very small, early study with only 16 healthy adults. Results may not apply to everyone, and any benefits are likely short-term.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

mood disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

AUTONOMIC NERVOUS SYSTEM ACTIVITY FOREST THERAPY HEALTHY SUBJECTS (HS) MOOD

Contacts and locations

Locations

Universidad de Vigo. Campus Pontevedra

Pontevedra, Pontevedra, 36005, Spain

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