While vaping is not risk free, it is less harmful than tobacco Our World in Data Fears vaping could cause Cancer Healthwatch Barnsley 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, British American Tobacco Vuse Despite FDA Decision, Vaping Is Still Not Safe American Nonsmokers' Rights Foundation no smoke.org FDA Allows Marketing of Vuse Tobacco Flavored Vapes