E cigarettes and vapes Thank you UC Davis Health for providing these great infographics about the dangers of vapes and vape aerosols. Tag and share to get the word out! If you'd like copies of these Study shows vapes emit more lead than 20 packs of cigarettes yes, *20.* New research has uncovered a disturbing truth about popular disposable vapes: they may be more toxic than Vaping exposes users to toxic metals like lead and uranium, study says Are Disposable Vapes Safe? EDGE Vaping