Smoking cannabis dramatically increases a person’s risk of suffering a heart attack, according to a major new study.

Researchers in the United States found that, over a five-year period, regular users in their early 30s were 4.6 times more likely to have a cardiac-related illness than those who did not smoke the drug. ..

Read more: http://www.dailymail.co.uk/health/article-4327866/Cannabis-users-likely-heart-attack.html

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