Marijuana may be deadly after heart attack

March 31, 2008 9:42:26 AM PDT
A new study shows people who use marijuana may have a shorter life expectancy after a heart attack than those who do not use the drug.

Researchers studied 2,000 heart attack patients and found those who regularly smoked marijuana in the year before a heart attack were 2 to 4 times more likely to die within the next four years.

Marijuana increases blood pressure and speeds the heart rate while the smoke exposes users to carbon monoxide.

This study appears in the American Heart Journal.


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