Illicit Vapes and E Cigarettes Flood Stores as F.D.A. Struggles to Combat Imports The New York Times Rethinking Vaping Metals found in disposable e cigarette vapor could pose health risks American Chemical Society Vapes are harmful and can be highly addictive. Some disposable vapes have nearly tripled in nicotine strength in the span of only 5 years. UC Davis study: Disposable vapes may be more toxic than cigarettes