E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA Is Vaping Better Than Smoking? American Heart Association Some More Facts E cigarettes and Vaping Health officials warned that vaping is not a safe alternative to smoking cigarettes, saying e cigarettes expose users to toxic chemicals and high nicotine levels that can harm the lungs and increase addiction. # E cigarette use to reduce cigarette smoking may not increase nicotine dependence Penn State Health News