High blood pressure

Despite the fact that cannabinoids have been studied for their potential as antihypertensive agents since the 1970s, no cannabinoid-based medications have been officially approved to treat hypertension. Moreover, despite an ever-growing body of anecdotal evidence and numerous studies suggesting the regular use of cannabis does appear to produce long-term lower blood pressure levels, we lack the sort of rigorous human studies that would allow physicians to confidently say, “Use cannabis to treat your hypertension!”

Harvard Medical School study concluded that for an hour after consuming cannabis (especially in at-risk populations; e.g. seniors), the odds of suffering a heart attack increases by five times. Risk returns to normal within two hours. Notably, sex carries a comparable risk increase.