Secondhand vape plumes could form lung damaging radicals American Chemical Society One million people who never regularly smoked now vape in England UCL News UCL University College London The dangers of vaping Baylor College of Medicine Blog Network Vaping Lung Illness: Why E Cigarettes' Dangers Might Get Worse The Atlantic Youth vaping, smoking & nicotine use Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN