Lowered blood pressure and pulse rate. These benefits help prevent and cope with hypertension. Increased nourishment of tissues. This can also assist in preventing the formulation of undesirable clotting. This is often accompanied by less dependency on medication and shortened recuperation time from illness and surgical procedures.
Laughter can also lessen emotional pain.
Reducing the emission of the hormone cortisol, which weakens the immune system, probably causes this. This can ease tension and even break the spasm-pain cycle of rheumatism and neuralgia. Increased ventilation and blood oxygen level. This can help people with emphysema and other respiratory illnesses. Laughter can help in clearing mucus plugs.