askscience

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Today I read: smoking one cigarette a day carries almost the same risk for cardiovascular disease as smoking a pack a day. How accurate is this statement? I find it hard to believe that increasing the exposure by more than an order of magnitude does not change the health risks.

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Today I read: smoking one cigarette a day carries almost the same risk for cardiovascular disease as smoking a pack a day. How accurate is this statement? I find it hard to believe that increasing the exposure by more than an order of magnitude does not change the health risks.	1