Harvard researchers discover toxin in Juul pods that can cause longterm lung damage Vaping Ban: Is This the Beginning of the End for Juul? GQ Vaping: It's All Smoke and Mirrors American Lung Association It's not just vapor. Your vape could contain the same amount of nicotine as of 30 packs of cigarettes, plus other harmful chemicals. Want help quitting? SMCHDs next Nicotine Cessation Class starts Can Vaping Cause Lung Cancer? Here's What We Know. Does Vaping Cause Lung Cancer? What We Know (and Still Don't)