5 Ways to Boost Your Health by Going Outside
Two doctors provide the best excuses yet for going outdoors.
Cristina Tudino
Walk in the Woods
The Japanese knew that shinrin-yoku, or "forest bathing," does wonderful things for the body. But now researchers at Tokyo's Nippon Medical School have quantifiable evidence: In one study, women who spent two to four hours in the woods on two consecutive days experienced a nearly 50 percent increase in the activity of cancer-fighting white blood cells.
Next: 3 ways to see your world with fresh eyes
From the June 2012 issue of O, The Oprah Magazine