Additionally, laughing can boost your immune system, improve your respiration, reduce stress, raise your heart rate, elevate your pain tolerance, induce a positive emotional state, exercise your muscles, enhance your mental capabilities and more. It seems that no matter what kind of medicine you’re in need of, laughter may indeed be able to help (though we still suggest seeing a doctor and following your prescribed medical routine as well).
Laugh It Off: How Laughing is Beneficial to Your Health | Best Master of Science in Nursing