Some doctors, nurses and therapists have a prescription for helping us through this pandemic: Try a little laughter.

Humor is not just a distraction from the crisis, said Dr. Michael Miller, a cardiologist at the University of Maryland School of Medicine in Baltimore. It’s a winning strategy to stay healthy in the face of it.

“Heightened stress magnifies the risk of cardiovascular events, including heart attacks and strokes,” Dr. Miller said. “Having a good sense of humor is an excellent way to relieve stress and anxiety and bring back a sense of normalcy during these turbulent times.”

Laughter releases nitric oxide, a chemical that relaxes blood vessels, reduces blood pressure and decreases clotting, Dr. Miller said. An epidemiological study of older men and women in Japan confirmed that those who tend to laugh more have a lower risk of major cardiovascular illness. Possessing a healthy sense of humor is also associated with living longer, an epidemiological study from Norway reported, although the correlation appears to be stronger for women than for men.

Armed with this growing body of research, Dr. Miller prescribes “one good belly laugh a day” for his patients. It’s not just going “ha, ha,” he explained, but a “deep physiological laugh that elicits tears of joy and relaxation.”

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