Is Vaping as Bad for Your Health as Smoking? Connect Community BCBSIL Vaping is often marketed as a safer alternative to smoking, but many vape products contain nicotine, harmful chemicals, and heavy metals that can harm developing brains and lungs. Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology The Danger of Chemicals Used in Vape Liquid The Science Blog 5 Vaping Facts You Need to Know Johns Hopkins Medicine E Cigarettes and Vaping OHSU