New research: Second hand vaping is NOT harmless A recent study published on PubMed is raising serious concerns about the health effects of second hand exposure to e cigarettes. People exposed to second hand Read "Public Health Consequences of E Cigarettes" at NAP.edu Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology E Cigarettes: MedlinePlus E Cigarette How E Cigarettes Work, Health Risks & Teen Use PET imaging shows greater lung inflammation in e cigarette users than cigarette smokers