@CNN: Breathe. Laugh. And be happy. The science behind Laughter Yoga: https://t.co/4YHVCrGaaB https://t.co/GYvZDswx1N

@CNN: Breathe. Laugh. And be happy.

The science behind Laughter Yoga: https://t.co/4YHVCrGaaB https://t.co/GYvZDswx1N