1. Laughter burns calories (really!)
Laughing for 10 to 15 minutes raises energy expenditure, increases heart rate, and can burn up to 40 calories. However, it’s not a weight-loss method. “People can’t eat at McDonald’s and then expect to laugh away their lunch,” says Dr. Maciej Buchowski, a professor of medicine at Vanderbilt University. Even so, a few calories every day translates to a few pounds a year.