• 07/24/2019
  • 08:30 AM
League Online News


When it comes to heart health, is marijuana any safer for you than tobacco?

A new study published today in the European Journal of Preventive Cardiology concluded that marijuana use is associated with a threefold risk of death from hypertension.

“This is not surprising since marijuana is known to have a number of effects on the cardiovascular system. Marijuana stimulates the sympathetic nervous system, leading to increases in heart rate, blood pressure, and oxygen demand,” said Barbara A. Yankey, study lead author, and PhD student in the School of Public Health at Georgia State University, in a press statement.

Their results were based on a specially designed retrospective study.

Researchers analyzed data from 1,213 participants who were considered marijuana users based on their responses to the 2005-2006 National Health and Nutrition Examination Survey (NHANES).

This data was cross referenced with mortality data from 2011 from the National Center for Health Statistics.

“Steps are being taken toward legalization and decriminalization of marijuana in the United States, and rates of recreational marijuana use may increase substantially as a result,” said Yankey. “We found higher estimated cardiovascular risks associated with marijuana use than cigarette smoking.”

Advocates question study results

Marijuana advocates are skeptical of the research.

Paul Armentano, the deputy director of the National Organization for Reform of Marijuana Laws (NORML), not only disputes the results of the study, but the methodology of it as well.

Researchers explain that their “retrospective study” was utilized due to the lack of longitudinal studies on the long-term cardiovascular effects of marijuana use — something Armentano says is patently false.

In his response to Healthline, Armentano pointed out two separate longitudinal studies that examined the relationship between marijuana use and some common cardiovascular ailments.

The first, published this year, followed more than 5,000 individuals for 25 years, beginning in the mid-1980s.

“Compared with no marijuana use, cumulative lifetime and recent marijuana use showed no association with incident CVD [cardiovascular disease], stroke, or transient ischemic attacks, coronary heart disease, or CVD mortality,” the authors of that study wrote.

Another longitudinal study from last year involving 1,037 individuals who were followed for 38 years came to a similar conclusion.

“We found no association between cannabis and cardiovascular risks [e.g., high blood pressure, higher cholesterol], which may appear at odds with evidence that cannabis use increases risk for cardiovascular complications,” the authors wrote. (HL ARTICLE)

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