The significant increase is predominantly because of increase in prevalence of current smokeless tobacco use among the boys from 14.5% in 2006 to 27.2% in 2013 and girls from 6% in 2006 to 19% in 2013
Mike Males, senior researcher for San Franciscos Center on Juvenile and Criminal Justice, has participated in and written extensively on anti-smoking efforts
Van Damme T, Colige A, Syx D, Giunta C, Lindert U, Rohrbach M, et al
All of this played a part in reducing cigarette smoking over the past 50 years
Author Contributions Conceived and designed the experiments: PLL MO XJL RGC
I tell a lot more truth to myself than I used to do it when I thought I was super omni-competent and interesting