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 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 Teen vaping linked with toxic lead exposure, study finds CNN Disposable E Cigarettes More Toxic Than Traditional Cigarettes UC Davis