Can Walking in the Park Make You Smarter?

Can Walking in the Park Make You Smarter?

Try the 20-5-3 Guideline for Greater Health and Happiness: 

 
~ 20 minutes, three times a week walking in a natural area, even an urban park
~ 5 hours a month in a semi-wild area
~ 3 days a year, off-grid, camping or in a cabin