Which is more harmful: e Cigarettes or regular cigarettes? Psychiatry.org E Cigarettes and Vaping Have you been thinking about trying vapes or e cigarettes? Think again! Most e cigarettes contain nicotine and other harmful substances. Some products claiming to be nicotine free have been found to contain nicotine. Nicotine China Daily Hong Kong Some reports state that these new, flavored smoking devices are less harmful than tobacco cigarettes but how safe is vaping? In this third part of a four part Which Smoking Habit Puts You Most at Risk? The Bad and the Ugly of Vaping Dentistry of the Carolinas