Whether e-cigarette use precedes smoking or smoking precedes e-cigarette use is a critical question, but it is one which needs to be answered through longitudinal research. We need studies that follow the trajectory of teen tobacco/e-cigarette use over time. That is the only way to determine which comes first.

In my blog , I argued that the cigarette companies cannot possibly be found in violation of the law for using alternative names for their products when the law specifically allowed those products to remain on the market.

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