A good laugh, or even anticipating one, creates positive physical responses.37 Laughter charges and cools your stress response so you feel good and more relaxed. It can increase oxygen intake, endorphins, blood circulation and muscle relaxation, all of which reduce symptoms of stress. It reduces levels of the potentially harmful stress hormone, cortisol. Studies have associated laughter with other benefits. Just 10– 15 minutes of laughter a day can burn off 40 calories.
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