why i love smoking cigarettes Many people think only on the weekends or at parties is harmless, but doctors warn there is no safe amount of tobacco. Find out how even occasional smoking damages your heart What does a smoker look
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When mental health challenges and addiction intersect, it can feel isolating

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Am J Hum Genet (2016) 98(4):68096
the difference was driven largely by FEV1 outcomes among patients receiving double lung transplant: 77% versus 73%, respectively ( P = .0002)