Laughter is the Best Medicine for Your Heart

Can a laugh every day keep the heart attack away? Maybe so.

Laughter, along with an active sense of humor, may help protect you against a heart attack, according to a recent study by cardiologists at the University of Maryland Medical Center in Baltimore. The study, which is the first to indicate that laughter may help prevent heart disease, found that people with heart disease were 40 percent less likely to laugh in a variety of situations compared to people of the same age without heart disease.


"The old saying that 'laughter is the best medicine,' definitely appears to be true when it comes to protecting your heart," says Michael Miller, M.D., director of the Center for Preventive Cardiology at the University of Maryland Medical Center and a professor of medicine at the University of Maryland School of Medicine. "We don't know yet why laughing protects the heart, but we know that mental stress is associated with impairment of the endothelium, the protective barrier lining our blood vessels. This can cause a series of inflammatory reactions that lead to fat and cholesterol build-up in the coronary arteries and ultimately to a heart attack."

In the study, researchers compared the humor responses of 300 people. Half of the participants had either suffered a heart attack or undergone coronary artery bypass surgery. The other 150 did not have heart disease. One questionnaire had a series of multiple-choice answers to find out how much or how little people laughed in certain situations, and the second one used true or false answers to measure anger and hostility.

Miller said that the most significant study finding was that "people with heart disease responded less humorously to everyday life situations." They generally laughed less, even in positive situations, and they displayed more anger and hostility.

"The ability to laugh -- either naturally or as learned behavior -- may have important implications in societies such as the U.S. where heart disease remains the number one killer," says Miller. "We know that exercising, not smoking and eating foods low in saturated fat will reduce the risk of heart disease. Perhaps regular, hearty laughter should be added to the list."

Miller says it may be possible to incorporate laughter into our daily activities, just as we do with other heart-healthy activities, such as taking the stairs instead of the elevator. "We could perhaps read something humorous or watch a funny video and try to find ways to take ourselves less seriously," Miller says. "The recommendation for a healthy heart may one day be exercise, eat right and laugh a few times a day."

-- Michelle Murray

Why, for some, laughter is the best medicine

Feeling rundown? Try laughing more. Some researchers think laughter just might be the best medicine, helping you feel better and putting that spring back in your step.

"I believe that if people can get more laughter in their lives, they are a lot better off," says Steve Wilson, MA, CSP, a psychologist and laugh therapist. "They might be healthier too."

Yet researchers aren't sure if it's actually the act of laughing that makes people feel better. A good sense of humor, a positive attitude, and the support of friends and family might play a role, too.

"The definitive research into the potential health benefits of laughter just hasn't been done yet," says Robert R. Provine, professor of psychology and neuroscience at the University of Maryland, Baltimore County and author of Laughter: A Scientific Investigation.

But while we don't know for sure that laughter helps people feel better, it certainly isn't hurting.

Laughter Therapy: What Happens When We Laugh?

We change physiologically when we laugh. We stretch muscles throughout our face and body, our pulse and blood pressure go up, and we breathe faster, sending more oxygen to our tissues.

People who believe in the benefits of laughter say it can be like a mildworkout -- and may offer some of the same advantages as a workout.

"The effects of laughter and exercise are very similar," says Wilson. "Combining laughter and movement, like waving your arms, is a great way to boost your heart rate."

One pioneer in laughter research, William Fry, claimed it took ten minutes on a rowing machine for his heart rate to reach the level it would after just one minute of hearty laughter.

And laughter appears to burn calories, too. Maciej Buchowski, a researcher from Vanderbilt University, conducted a small study in which he measured the amount of calories expended in laughing. It turned out that 10-15 minutes of laughter burned 50 calories.

While the results are intriguing, don't be too hasty in ditching that treadmill. One piece of chocolate has about 50 calories; at the rate of 50 calories per hour, losing one pound would require about 12 hours of concentrated laughter!