I had a post on this a little while ago ( Get your greens ). Interesting to see another similar study reported in the BBC . It all makes a lot of sense. This is what we are built for - movement in a real outdoor, stimulating environment makes you happier. There is a good press release here : “You get a very substantial benefit from the first five minutes. We should be encouraging people in busy and stressed environments to get outside regularly, even for short bits of time,” says Pretty. After that, increased green exercise continues to add benefit, but with decreasing returns. However, a full day of activity causes another spike in the level of benefit. Both healthy people and those with mental health disorders benefited, with the mentally ill showing the strongest improvement in self-esteem. What is the Best Dose of Nature and Green Exercise for Improving Mental Health? A Multi-Study Analysis Green exercise is activity in the presence of nature. Evidence shows it leads to positiv...