is weed or cigarettes worse for the lungs Nicotine, e-cigarettes, cannabis: All pose different risks and all can be hard to stop The Impact of Smoking and
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Some have suggested that these e-cigarettes might help smokers quit the habit in favor of vapor

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Youre contagious for as long as you have the virus regardless of whether or not you have symptoms

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Am J Respir Crit Care Med (2016) 193(5):48694
