It looks like total high school nicotine use is still down, even though there had been a shift from cigarettes to vaping: http://www.casaa.org/news/epidemic-a-p

It looks like total high school nicotine use is still down, even though there had been a shift from cigarettes to vaping: http://www.casaa.org/news/epidemic-a-perspective-of-youth-vaping-tobacco-use-trends/ http://www.casaa.org/news/epidemic-a-perspective-of-youth-va...