Can Spending Time in Nature Reduce Stress and Anxiety?

When dealing with stress, anxiety, or depression, many people assume that the only effective solutions are therapy, medication, or other clinical interventions. While these treatments can be extremely valuable, a new systematic review and meta-analysis published in BMC Public Health suggests that a surprisingly simple activity may also benefit mental well-being: spending time in nature.

What the Research Found

Researchers analyzed 25 controlled studies involving a total of 1,876 participants. Their findings showed that structured time spent in forests or other peaceful green environments was associated with significant reductions in stress, anxiety, and depression — at least in the short term.

In most of the studies, participants engaged in intentional and guided exposure to nature. Activities included:

• Slow walks through natural settings

• Sitting quietly among trees

• Listening to the sounds of nature

• Practicing mindful breathing

• Observing the surrounding greenery

The goal was not exercise or physical training. Instead, the focus was on helping the body and mind shift into a state of calm, recovery, and regulation, counteracting the constant stimulation created by urban living and screen-filled lifestyles.

Anxiety Showed the Strongest Improvement

The analysis revealed meaningful reductions in all three mental health measures compared to control groups.

While stress and depression improved significantly, the strongest effect was observed in anxiety levels.

Researchers also discovered that duration matters. Programs lasting longer than a week produced greater reductions in stress than brief exposures lasting only minutes or a few hours. This suggests that consistency is likely the key factor behind lasting benefits.

Why Nature May Help

According to the researchers, modern life keeps our nervous systems in a near-constant state of activation. Natural environments, by contrast, support the body's systems responsible for rest, restoration, and healing.

The sights, sounds, and rhythms of nature appear to help shift the body away from a state of vigilance and toward one of relaxation and recovery.

The researchers caution that nature is not a miracle cure.

Most of the studies relied on participants' self-reported questionnaires, and mental health was typically assessed immediately after the nature experience. As a result, it remains unclear whether the benefits persist over the long term or how long they might last.

More research is needed to determine the lasting impact of regular exposure to natural environments.

A Simple Tool for Mental Well-Being

Despite these limitations, the findings highlight an important reality: our surroundings have a powerful influence on our mental health.

If you are feeling overwhelmed, incorporating regular time in nature may be a safe, accessible, and effective way to support your emotional well-being.

The good news is that you do not need to travel to a remote forest to experience the benefits. A quiet park, a nearby grove of trees, or a green walking path close to home may be enough to help calm the nervous system — especially when spending time there becomes a regular habit rather than an occasional escape.

Sometimes, one of the simplest ways to care for the mind is to step outside and reconnect with the natural world.