E Cigarettes and Pregnancy Maternal Infant Health CDC Philip Morris iQOS E Cigarette: Electronic Cigarettes "Great Health Risk": Centre Bans Sales And Imports Nonnicotine vapes may be marketed as safe, but many still contain chemicals, have unknown health effects, and aren't FDAregulated. Teens are using them more ofteneven alongside nicotine vapes. No ecigarette is riskfree. The Health Risks Of E Cigarettes Versus Traditional Cigarettes Henry Ford Health Detroit, MI Doctors increasingly discourage vaping amid mounting health concerns ABC News E cigarettes Cancer Council NSW