Vaping and Electronic Cigarette Toxicity Overview and Recommendations (Project VECTOR) Intrepid Lab Vaping, e Cigarettes Linked to Asthma Risk Among US Teenagers AJMC 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 Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America Full article: Comparing the Effects of e Cigarettes and Traditional Cigarettes on Asthma in Adolescents: A Systematic Review Tobacco Smoke, Vaping, and Asthma AAFA.org