11 Ways to Lift Your Mood (or Someone Else's)

Walk, Run or Jump Rope

If there is a magic bullet for general moodiness, our experts agree that moderate exercise is it. "Build 30 minutes of cardiovascular activity into your day," says Deborah Sichel, M.D., psychiatry professor at Harvard University Medical School. "It generates endorphins and reduces stress hormones, so you get a temporary high and put your emotions on a balanced plane."