Clubs practicing laughter yoga - a combination of breathing exercises, mild physical workout, stretching, and laughter - have been gaining popularity in India. Coming together and bursting into ...

When was the last time you laughed? I mean really laughed: a solid, hearty, belly-jiggling laugh. Chances are, many of us have a hard time remembering. That’s because as adults, we have a lot of ...

Don’t try this at home, but tickling a gorilla, orangutan, bonobo or chimp can inspire bursts of grunting sounds. Yes, that’s laughter, says Marina Davila Ross of the University of Portsmouth in ...