Full article: Disposable electronic cigarettes chemical composition and health effects of their use. A systematic review E cigarettes induce toxicological effects that can raise the cancer risk Scientific Reports 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 E cigarettes are like a flamethrower of chemicals, says Natalie Gassman, Ph.D., who conducts cancer research at the MCI. Read more about her important work related to vaping, tanning and more in this Vaping Linked to Early Cancer Signs, New Study Warns Firstpost America YouTube