New Study Highlights Risks of Metals (lead, nickel, and antimony) in Disposable E cigarettes UC Davis Poulin Research Group Disposable vapes in the UK National Centre for Social Research F.D.A. Opens Door to More Flavored E Cigarettes The New York Times How have e cigarettes changed over time? Vaping as a teenager is a gateway to smoking, study suggests Disposable E Cigarettes More Toxic Than Traditional Cigarettes UC Davis