Why you can pick up from a workout and do better outside: “Happiness hormones play the leading role in this story”

American health psychologist Kelly McGonigal, professor at Stanford University and author of The joy of movementhas a joy work-out developed that makes you happier. Pretending to cheer and jumping around like a happy child would have the effect. “These Americans invent all kinds of things, but the Romans already knew it: a healthy mind resides in a healthy body,” says sports doctor Chris Goossens.

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