Wednesday, November 29, 2023

Think marijuana is heart safe? Think again.

 American Heart Association’s Scientific Sessions 2023 and Resuscitation Science Symposium 2023, held earlier this month in Philadelphia: here are some of the important scientific findings that could impact your heart and stroke health.


  • As more people across the U.S. use marijuana for medical and recreational reasons, two new studies suggest its regular intake may damage heart and brain health.
  • In one study, daily use of marijuana raised the risk of developing heart failure by about one-third, even after considering other factors, compared to people who reported never using marijuana.
  • In a second study, older people with any combination of Type 2 diabetes, high blood pressure and high cholesterol who used marijuana, significantly increased their risk for a major acute heart or brain event while hospitalized, compared to those who reported not using marijuana.
  • “The latest research about cannabis use indicates that smoking and inhaling cannabis increases concentrations of blood carboxyhemoglobin (carbon monoxide, a poisonous gas), tar (partly burned combustible matter) similar to the effects of inhaling a tobacco cigarette, both of which have been linked to heart muscle disease, chest pain, heart rhythm disturbances, heart attacks and other serious conditions,” said Robert L. Page II, Pharm.D., M.S.P.H., FAHA, chair of the volunteer writing group for the 2020 American Heart Association Scientific Statement: Medical Marijuana, Recreational Cannabis, and Cardiovascular Health. “Together with the results of these two research studies, the cardiovascular risks of cannabis use are becoming clearer and should be carefully considered and monitored by health care professionals and the public.”

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