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Fortune
Fortune
Beth Greenfield

Risks of cannabis range from heart attack to psychosis. Here's who may be most susceptible

Closeup of man smoking marijuana joint (Credit: Getty Images)

Smoking weed, according to a small new study out of University of California San Francisco, is bad for your heart—and so is consuming cannabis as an edible. 

The report, published May 28 in JAMA Cardiology, found that people who regularly used marijuana in either form had vascular function that was reduced by about half when compared to those who did not use cannabis—a dysfunction comparable to that of tobacco smokers.

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