Laughter protects the heart
In another study conducted by the University of Maryland Medical Center a correlation was demonstrated between people who laugh often and overall heart health. The researchers found that people with heart disease were 40% less likely to laugh in a variety of situations compared to people of the same age without heart disease.
Laughter boosts the immune system
According to the National Cancer Institute, laughter keeps the stress hormones under control and aids immune system agents such as the NK cells, lymphocytes, B cells, and T cells function optimally.
Laughter helps you heal faster
Scientific research has suggested that by lowering our blood pressure, boosting our immune functions, decreasing stress hormones, etc,; laughter actually helps us recuperate faster from various ailments.
Laughter helps lower blood sugar levels
Laughter provides one of the best health benefits for diabetics. In a 2012 study performed on 19 diabetic patients, it was demonstrated that laughter helped suppress blood sugar levels by ameliorating the postprandial (after eating a meal) glucose excursion in the presence of insufficient insulin action.
Laughter helps improve sleep
Japanese researchers found that laughing in the evening encourages the body to produce more melatonin (the hormone released by the brain at sleep onset).