FDA Bans Sales of Vuse Menthol E Cigarettes WSJ The more you know, the safer the choices you can make. E cigarettes and vape pens are not harmless. Many contain nicotine and other chemicals that can impact brain development, lung health, Key concerns about FDA's first e cigarette authorization for Vuse Solo Vaping Check: Let's Clear the Air Vapes aren't just flavored air. Here's what they can actually do Lung stress inflammation + chemicals = harder breathing Nicotine= brain hijacker Vapes are harmful and can be highly addictive. Some disposable vapes have nearly tripled in nicotine strength in the span of only 5 years.