Enjoy a good giggle? Laughing is not only good for your mood, it is also great for your health. Laughing and smiling can add years to your life as well as burn calories. Researchers at Vanderbilt University found that adults burn an average of 1.3 calories per minute while having a nice chuckle. Laughing also works the muscles in the stomach, back, and shoulders. So go ahead, crack some jokes with your friends and get your giggle on!