They say laughter is the best medicine and researchers at the Cleveland Clinic are taking that to heart.
That's where they've initiated a class on laughter and they're learning that a giggle and a hee-haw do more for the body than anyone realized.
"Helping respiration, helping breathing, helping the cardiac system, blood flow, improving morale it helps your immune system," Karen Fink, R.N., a Cleveland Clinic researcher.
Fink says laughter releases endorphins which can help in pain relief and it reduces the stress hormone cortisol. But if all that's not enough, she says laughing 10 minutes a day can help you burn 40 calories, which may offset a small piece of chocolate.