New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking Toxicological Effects of E Cigarettes on Cells, Animals, and Humans and Mechanisms of Toxicity Springer Nature Link Vaping Dangers: What Parents Should Know Attorney General Brian Schwalb E cigarettes are not a healthier alternative to cigarettes. They contain nicotine and many harmful ingredients that can cause cancer and heart disease. Since these products are relatively new, we don't know all