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Is second-hand smoke just as harmful as mainstream smoke?

April 26, 2017Harmful mainstream second-hand smoke

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Is second-hand smoke just as harmful as mainstream smoke?

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Believe it or not, second-hand smoke is actually more dangerous than directly inhaled smoke because it is not filtered. Second-hand smoke also burns at a lower temperature and contains twice as much tar and 5 times more carbon monoxide which reduces the amount of oxygen in the blood.