When you go for a walk, you are in control. The steady rhythm of foot to pavement seems to pat out a clearer direction for your mind. The crisp outside air provides a sharper perspective. Chances are, this walk won’t solve all your problems, but when you’re done you’ll be feeling a bit better about….well, everything.

What do trees and birds have to do with your mental health? Here’s what the experts have to say about anxiety, depression, and spending time in nature.