To achieve the Biden Cancer Moonshot, e cigarettes must be widely approved Salon.com Electronic cigarettes (e cigarettes) are sometimes called e cigs, vapes, vape pens, and electronic nicotine delivery systems (ENDS). E cigarettes come in many shapes and sizes. Most e cigarettes contain nicotine. Get the facts about e cigarettes, E cigarettes are likely to cause cancer, including in the lungs and mouth, according to a sweeping review of scientific evidence that challenges their positioning as a safer alternative to smoking. There is Lung Cancer Europe European Lung Cancer Advocacy Network A new peer reviewed paper has added weight to concerns about vaping and cancer risk. It brings together evidence from human, animal Vaping can cause cancer, say researchers but still isn't as damaging as smoking cigarettes. More than 5.5 million Britons currently use e cigarettes, which have long been viewed as a safer alternative Clearing the Air: The Harsh Reality of Vaping and Smokeless Products Leading to Cancer