Health Effects Vaping Information, Solutions & Interventions Toolkit Stanford Medicine E CigaretteRelated Health Beliefs Expressed on Twitter Within the U.S. ScienceDirect The Truth About E Cigarettes: What Parents, Teens & the Public Should Know Pine Rest Newsroom E Cigarettes Fact Sheet Center for Public Health and Tobacco Policy 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.