Health impacts of electronic cigarettes ANU National Centre for Epidemiology and Population Health Vaping harms your health Cancer Institute NSW E Cigarettes: Know the Health Risks Department of Health Electronic Cigarettes and Vaping: Factsheet Positive Choices 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