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February 28, 2024
2 minute read
Important points:
- Marijuana use, regardless of tobacco use, increases the risk of heart attack and stroke.
- The risk of cardiac events increased with the frequency of reported cannabis use per month.
Data show that U.S. adults who report cannabis use have a higher risk of coronary heart disease, myocardial infarction, and stroke than nonusers, and that cannabis users who report never smoking have a higher risk of coronary heart disease, myocardial infarction, and stroke than nonusers. It still remains.
“Cannabis use increases the risk of heart attack and stroke, but these risks are independent of tobacco product use.” Dr. Abra Jeffers, data analysts at Massachusetts General Hospital, the Mongan Research Institute, and the Center for Health Policy Research told Healio. “The more frequently you use cannabis, the greater the risks.”

In a cross-sectional study, Jeffers et al. analyzed Behavioral Risk Factor Surveillance System data for 434,104 adults (2016-2020) and found an association between cannabis use (number of days of cannabis use in the past 30 days) and self-reported resumes. The gender was evaluated. These outcomes included a composite measure of CHD, MI, stroke, and all three, adjusting for tobacco use and other characteristics. The researchers then repeated this analysis in men under 55 and women under 65 who were non-smokers and at risk for early onset cardiovascular disease.
The prevalence of daily and non-daily cannabis use within the cohort was 4% and 7.1%, respectively.
Adjusted ORs for the association of daily cannabis use with CHD, MI, stroke, and composite outcome were 1.16 (95% CI, 0.98-1.38), 1.25 (95% CI, 1.07-1.46), and 1.42 (95% CI, 1.2). -1.68) and 1.28 (95% CI, 1.13-1.44), respectively. Log odds were proportionately lower for those who reported 0 to 30 days of cannabis use per month. Among non-smokers, daily cannabis use was associated with MI (aOR = 1.49; 95% CI, 1.03-2.15), stroke (aOR = 2.16; 95% CI, 1.43-3.25) and composite CV outcome (aOR = 1.77) It was also related. ; 95% CI, 1.31-2.4). The association between cannabis use and CV outcomes did not differ in analyzes stratified by gender.

Abra Jeffers
“Patients should be asked about cannabis use during their routine medical exams and physical exams, just as they are asked about tobacco use,” Jeffers told Healio. “If they use cannabis, they should be encouraged to quit or reduce their use to reduce their risk of heart attack and stroke.”
Jeffers told Helio that further prospective cohort studies are needed to examine the association between cannabis use and CV outcomes, taking frequency of use into account.
As previously reported by Healio, the American Heart Association issued a scientific statement in 2020 stating that there is “no proven benefit” for cannabis use in preventing or treating cardiovascular disease, and that cannabis use There is preliminary evidence that it may have negative effects on the heart, it added. Blood vessels.
For more information:
Dr. Abra Jeffers, Please contact amjeffers@mgh.harvard.edu.
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