Laughter, it's said, is the best medicine. It's one of the best tools we have for dealing with stress and relieving discomfort. You see, when we laugh, it improves the flow of oxygen to the heart and the brain, which helps to improve our immune system and uplift our mood. Research has shown that laughter also has an anti-inflammatory effect that protects blood vessels and heart muscles from the damaging effects of cardiovascular disease. And laughter appears to burn calories, too! Vanderbilt University conducted a small study in which they measured the amount of calories expended in laughing. It turned [...]