Read "Public Health Consequences of E Cigarettes" at NAP.edu Second Hand E Cigarette Smoke: Healthier Than Regular Cigarette Smoke, but Still Contains Some Toxic Elements USC Today The dangers of vaping Baylor College of Medicine Blog Network Alert! e cigarettes may be as harmful as tobacco smoking, says study Vaping & Electronic Cigarettes Stokes Citizens for Safe and Healthy Communities Is vaping as bad as smoking cigarettes? BBC Learning English from the News