Nicotine absorption from electronic cigarette use: comparison between first and new generation devices Scientific Reports Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Nicotine Addiction From Vaping Is a Bigger Problem Than Teens Realize News Yale Medicine All about vapes what's in them, how do they work, and more Philip Morris International Vaping on the rise in U.S., especially among young people Pew Research Center