戒菸1年:罹患心臟病的風險是吸菸者的一半
戒菸5-15年:中風的機率降至與不吸菸者相同
戒菸超過15年:患心臟病風險降至與從未吸菸者相同
This is what happens when you stop smoking.
After 1 year : the risk of coronary heart disease is half that of a smoker.
After 5-15 years : stroke risk is reduced to that of a non-smoker.
After 15 years : the risk of coronary heart disease is that of someone who never smoked.
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