Edible marijuana worries doctors after man suffers heart attack

As medical and recreational marijuana becomes legal in more and more places, experts worry that there isn’t enough science on the risks of the drug, especially for patients with heart disease.

In a new case report, doctors describe the heart attack of a man who ate a lollipop laced with high levels of THC, marijuana’s psychoactive ingredient. This patient’s story may serve as a warning that cannabis isn’t as benign as some would like to think, doctors wrote this week in the Canadian Journal of Cardiology.

The 70-year-old Canadian man, who had pre-existing heart disease, suffered a heart attack half an hour after consuming most of a lollipop that contained 90 milligrams of THC. The man had hoped that it would help with arthritis pain and allow him to sleep. The dose in the lollipop was far greater than what people typically inhale with a

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