Seasonality in onset of youth smoking parallels seasonality in cigarette sales.


Cigarette sales in the USA peak in the summer months, June through August. This finding prompted examination of data on the onset of youth smoking to determine whether a similar pattern could be discerned. In this letter we report data from the Development and Assessment of Nicotine Dependence in Youth (DANDY) study. The sample of 679 seventh grade students… (More)

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