All Sweetness and laughter
GUT REACTION - Vanderbilt University researchers have found that 10-15 minutes of giggling and hearty laughter can burn as many calories as in s medium square of chocolate. To gauge the energy expended by laughing, the Scientists shut 45 volunteers in a metabolic chamber and had them watch comedy clips on TV. The specially designed room measured how much oxygen the laughers breathed in and how much carbon dioxide they exhaled.