Most people love to laugh and seek out opportunities to let down their guard and yuk it up with friends or even strangers at a comedy club. The reason is simple: laughing makes you feel good. Humor does more than provide a yuk or two: it improves your physical and mental health. The next time you want some quick therapy, go watch a comedian. Mental Benefits If a comedian makes you laugh, you body will react by releasing more endorphins and dopamine, two substances that improve your mood.