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The research didn’t show an increased risk of heart failure. THC, the active ingredient in cannabis that gets people high, could be affecting the heart through its activation of the sympathetic ...
Short-term (one to two hours) effects on the cardiovascular system can include increased heart rate, dilation of blood vessels, and fluctuations in blood pressure. [71] [72] [73] There are medical reports of occasional heart attacks or myocardial infarction, stroke, and other cardiovascular side effects. [74]
Over time, the marijuana gateway hypothesis has been studied more and more. In one published study, the use of marijuana was shown not a reliable gateway cause of illicit drug use. [67] However, social factors and environment influence drug use and abuse, making the gateway effects of cannabis different for those in differing social circumstances.
Any use of marijuana could raise the risk of heart attack and stroke, even in people who don’t use cigarettes or don’t have existing heart disease, a new study finds.
A growing problem among older adults. Marijuana use is on the rise among older adults. A 2020 study found the numbers of American seniors over age 65 who now smoke marijuana or use edibles ...
Studies have found that the potency of illicit cannabis has greatly increased since the 1970s, with THC levels rising and CBD levels dropping. [150] [151] [152] It is unclear, however, whether the increase in THC content has caused people to consume more THC or if users adjust based on the potency of the cannabis. It is likely that the higher ...
Nearly half of U.S. states now permit recreational marijuana, but studies say there are risks to frequent usage.
There is a slight increase in dose proportionality in terms of peak and area-under-the-curve levels of THC with increasing oral doses over a range of 2.5 to 10 mg. [22] A high-fat meal delays time to peak concentrations of oral THC by 4 hours on average and increases area-under-the-curve exposure by 2.9-fold, but peak concentrations are not ...