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Forests: Medicine for Body and Soul

By Hannu Raitio, Coordinator of IUFRO Task Force ForHealth
(DG Finnish Forest Research Institute, Metla)

PDF for download

Imagine a doctor who, rather than advising the usual: “Take these pills daily for the next two weeks,” says instead: “Take long walks in the forest daily for the next two weeks. That should get you back to normal.”

Okay, that’s a bit fanciful. But, it may not be too big a stretch.

There is a growing body of scientific research that suggests forests and other natural, green settings can reduce stress, improve moods, curtail aggressiveness and – possibly – even strengthen our immune systems.

Medical and health care costs are a skyrocketing financial burden in many, if not all, countries around the world – often funded through taxation or other common responsibility arrangements.

Policy makers are increasingly looking at prevention as a cost-effective alternative to medical treatment. Anything that has the potential to reduce those costs – including long walks in the forest – deserves a long, hard look.

For example, numerous studies have shown that people recover faster and better after stressful situations in natural, green environments. Blood pressure, heart rate, muscle tension and the level of stress hormones are reduced in green environments and ADHD symptoms in children are similarly reduced when they play in green settings.

Now, in a 2011 publication: Forests, Trees and Human Health, 160 scientists from 24 European countries, with contributors from Asia, Australia, Canada and the United States have delved deeply into the question of whether forests and forest management help in the promotion of healthier lifestyles and improved mental health.

The publication’s focus is primarily on health priorities defined within Europe, however it also draws on research from North America and elsewhere and has worldwide relevance.

While continued research is needed to further our knowledge in this area, it seems clear right now that anyone involved in making policy decisions in the medical, social, natural resources, forests or urban land-use planning areas cannot afford to ignore the relationship between a green environment and human health.

For more information about Forests, Trees and Human Health, please go to:


Media Contact

Hannu Raitio: +358-10-2112010 or hannu.raitio(at)
Gerda Wolfrum: +43 1 877 0151 17 or wolfrum(at)


Related Link

Publication: Forests, Trees and Human Health:

IUFRO Task Force on Forests and Human Health:

IUFRO Spotlights main page,


Photo Credits

Photo taken by Anka Nicke, Coordinator 4.04.03 – SilvaPlan: Forest management planning terminology