why do cigarettes have so many chemicals in and Tobacco: What's Burning? Teens inhale cancer-causing chemicals in

Were sure that were going to have fewer and fewer young people experimenting with tobacco products and not becoming addicted, Zeigler said

What is secondhand smoke

Substantial clinical research is needed to determine the exact dangers of synthetic nicotine as the chemical is too new for any conclusive assessment of its health risks

As of September, six had died of "vaping lung disease." The exact component of vape fluid had not been identified as of that time, but illness seems to affect users of both nicotine and cannabis e-cigarettes

McAfee, T., State laws prohibiting sales to minors and indoor use of electronic nicotine delivery systems United States, November 2014, Morbidity and Mortality Weekly Report 63(49): 1145-1150, December 12, 2014