Study: Marijuana Users Have Doubled Stroke Risk

NBC Bay Area

A new study out of New Zealand is a real harsher: cannabis users double their risk of stroke, according to Dr. P. Alan Barber of Auckland. People aged 18 to 55 who had a stroke "were 2.3 times as likely to test positive for marijuana in their urine than those who didn't have a stroke," according to Everyday Health.

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