Cigarettes. Roll-your-own tobacco. Smokeless tobacco. Cigars. Cigarillos. Pipe tobacco. Electronic cigarettes. Gels. Water pipes. The evolution of nicotine delivery systems has raised as many new questions for public health as it has brought new products
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Read the complete post at http://healthaffairs.org/blog/2016/05/05/we-need-to-fill-the-gap-between-what-we-know-and-dont-know-about-e-cigarettes/
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May 05 2016, 10:00 AM
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