Cannabis use linked to an increased risk of cardiovascular disease, especially strokes
Cannabis use, including marijuana, appears to be linked with increased cardiovascular risk, especially for stroke, making it an important consideration for heart disease and stroke prevention and counseling, according to independent, new preliminary research to be presented at the American Heart Association's Scientific Sessions 2026. The meeting is Nov. 6–9 in Chicago.
A preliminary study to be presented at the American Heart Association's 2026 Scientific Sessions indicates that cannabis use, which includes marijuana, is linked with an increased risk of cardiovascular disease, particularly strokes. The study, led by Tulane University School of Medicine assistant professor Aabha Divya, M.B.B.S., M.Ch., analyzed data from nearly half a million U.S. adults who participated in the Behavioral Risk Factor Surveillance System between 2020 and 2024.
Regardless of the form of cannabis consumption, smoked or edible, the researchers found that both low and heavy use were associated with higher odds of developing heart disease. Stroke risks were reported to be 40% and 25% higher, respectively, for low and heavy users. However, heart attack associations were not significant. The study's findings underscore the importance of discussing cannabis use as part of cardiovascular health conversations, similar to tobacco and alcohol use.
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