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, Can vaping damage your lungs? What we do (and don't) know Harvard Health Randomized clinical studies assessing the pharmacokinetics and subjective effects of vuse alto electronic nicotine delivery systems Scientific Reports Is Vuse Vape Safe? Comprehensive Review Clutch Vape