Graphic rendition of a heart

We all know that people with poor cholesterol, a smoking habit and hypertension are at higher risk for a heart attack. But a new study found that attacks are most likely to be deadly in those who arrive at the hospital seemingly without any of those risk factors.

( P. Salutos / Custom Medical Stock Photo )

We all know that people with poor cholesterol, a smoking habit and hypertension are at higher risk for a heart attack. But a new study found that attacks are most likely to be deadly in those who arrive at the hospital seemingly without any of those risk factors.

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