Does Vaping Cause Lung Cancer? When you vape, you aren't just inhaling vapor. Vape juice also contains addictive nicotine and other toxins! #EliminateTobaccoUse and keep e cigs out of your lungs. [Source: CDC] 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 E Cigarettes and Vaping PPAC Central