Ask an Expert: What you need to know about youth vaping Utah Public Radio Disposable e cigarettes, popular among teens and young adults, are not as harmless as they may seem. Recent studies have revealed that these devices release toxic metals like lead, nickel, and antimony into A new study from the University of California, Davis, reveals that popular disposable vapes from brands like ELF Bar, Esco Bar, and Flum Pebble emit more lead than smoking 20 packs of Disposable E Cigarettes More Toxic Than Traditional Cigarettes UC Davis Vaping, Panic, and Prohibition: Why the UC Davis Study Needs Context Cato at Liberty Blog The dark side of disposable e cigarettes Tobacco and Public Health