Meditation linked to lower cardiovascular risk


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Researchers and colleagues from the Michael E. DeBakey VA Medical Center found, in a recent study, that meditation was linked to lower cardiovascular risk.

The results appeared online June 30 in the American Journal of Cardiology.

Previous studies have suggested that meditation may have beneficial effects on a number of conditions. A 2017 American Heart Association scientific statement suggests that meditation may be of benefit for cardiovascular risk reduction. Data show that it may help with blood pressure, cholesterol level, quitting smoking, and overall cardiovascular health. However, this connection is far from definitive. By using a large national database with many participants, the authors of the new study sought further evidence on how meditation impacts cardiovascular risk.

Lead researcher Dr. Chayakrit Krittanawong—of the Michael E. DeBakey VA Medical Center, Baylor College of Medicine, and the Icahn School of Medicine at Mount Sinai—and his colleagues studied data from the National Health Interview Survey, conducted annually by the National Center for Health Statistics. It collects information on a wide range of health topics from a nationally representative sample.

Data from more than 61,000 survey participants

The researchers looked at data on more than 61,000 survey participants. Of those, almost 6,000 (nearly 10%) said they participated in some form of meditation.

The researchers found that people who meditated had lower rates of high cholesterol, high blood pressure, diabetes, stroke, and coronary artery disease, compared with those who did not meditate.

The greatest difference was in coronary artery disease. Those who meditated were 51% as likely as those who didn’t to have the disease. The prevalence of other cardiovascular risks in the meditation group compared with the non-meditation group was 65% for high cholesterol, 70% for diabetes, 76% for stroke, and 86% for high blood pressure.

`A sense of calm, peace, and stress reduction’

The researchers controlled for other factors connected to cardiovascular risk, such as age, sex, cigarette smoking, and body mass index. After adjusting for these factors, the effect of meditation was still significant.

Many types of meditation exist. Most focus on attention and awareness. Meditation has been shown to increase physical and mental relaxation. “I believe in meditation, as it can give us a sense of calm, peace and stress reduction, leading to improvement of our emotional well-being,” explained Krittanawong.

Practicing meditation has been linked to decreased stress, greater mindfulness and improved psychological health. It may even lead to long-term functional and anatomical changes in the brain. Meditation is also simple, cost-effective and low-risk.

Study can’t definitively show cause and effect

Krittanawong and colleagues noted several limitations in the study. First, the survey did not capture what type of meditation people were using. Some types of meditation may offer more cardiovascular benefit than others, say the researchers. The survey also did not ask about the duration or intensity of that meditation. It is possible that those who practice longer and more frequently will get more benefit, but the study cannot measure these effects.

Also, the researchers cannot definitively say that meditation directly decreases cardiovascular risk. It could be that people who are in better cardiovascular health to begin with are more likely to practice meditation, rather than the other way around.

The study authors are from the Michael E. DeBakey VA Medical Center, Baylor College of Medicine, the Icahn School of Medicine at Mount Sinai, the Cleveland Clinic, and the Mayo Clinic.

More Information

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Click here for more information on VA research on meditation.

Author

Tristan Horrom

Tristan Horrom is a writer and editor for VA’s Office of Research and Development. He joined VA in 2009. Tristan holds a master’s degree in professional writing from Towson University in Maryland

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