A sense of humor is a great way to help your immune system! Studies show that laughter and joy actually improves your immune function. What we think affects the way we feel. If you are feeling depressed try watching a funny movie or remembering a time when something made you laugh. Your body responds to the way you feel so bring yourself back to a positive emotion for better health. Having a sense of humor is one of the most important health behaviors. Think healthy and you'll teach your body to be healthy!