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.

This story illustrates how misguided anti-smoking efforts are at the present time. We are placing a huge emphasis on trying to protect kids from e-cigarettes, but losing our focus on preventing kids from becoming addicted to smoking, a behavior that will eventually kill half of those who become regular users.

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