Health effects of electronic cigarettes Wikipedia Vaping and E Cigarettes Causing Outbreak of Respiratory Illnesses, Other Severe Health Problems, and Deaths Sommers Schwartz Eliminating Tobacco Use in Washington Kids American Heart Association Nothing good comes from smoking , and vaping isn't a safe alternative. E cigarettes often contain nicotine and other harmful substances, and studies show that young people who vape are more likely to In secondhand vape, scientists smell risk American Heart Association 80.8% people believe that vapes are less harmful than cigarettes VAPE HK