Laughter: A Scientific Investigation

January 22, 2001

Is laughing really contagious? Is it good for you? Today on Focus, we'll investigate the science of laughter with expert Robert Provine. He'll talk about its evolution, its neural mechanisms, its health benefits, its contagiousness, and its role in social relationships.

Guest: Robert Provine (leading scientific expert on laughter; author of Laughter: A Scientific Investigation)