Question

What do the US researchers say about laughter ?​

Answer 1

Answer:

For the past forty years, studies have shown that good, hearty laughter can relieve tension and stress; boost the immune system, by reducing stress hormones and increasing activity among immune cells and antibodies; and help reduce the risk of heart attack and stroke, by improving blood flow and blood vessel function.

Answer 2

Answer:

please mark me as brainliest

Explanation:

laughter decreases stress hormones and increase imine cells and infection fighting antibodies