Genuine laughter causes endorphin release. Increased pain tolerance is one result of this hormone’s secretion. In one study, participants watched a comedy show together for 15 minutes. In comparison to before the laughter, their tolerance for pain increased by 10%. However, it was just a little more than 10% higher for those who saw a comedy program by themselves as opposed to with others. According to a 2011 study, women undergoing in vitro fertilization were 16% more likely to become pregnant after seeing a clown than women who did not. Your heart will thank you for a nice chuckle. By boosting your heart rate and raising the amount of oxygen in your blood, it benefits your heart. It also lessens the stiffness of artery walls, which is linked to cardiovascular disease. Laughing strengthens your immune system, which protects you from viruses. In order to better defend your body against illness, laughing releases more anti-infection antibodies. Laughing makes you feel happier. It can help people cope better with difficult situations and minimize persistent depression and anxiety. When you are stressed, your body releases cortisol. Cortisol receives a poor rap because it is regarded as the stress hormone, although it has a crucial function in the body. Blood sugar levels are better controlled, inflammation is lessened, metabolism is controlled, and the fight or flight reaction is activated in your body when it matters most. But when cortisol levels are too high, stress is felt by the body. One of the ways your body may assist control cortisol is through laughter. Your oxygen intake rises when you laugh, which boosts circulation and lowers cortisol levels.