DYK? Vaping coats lungs with potentially harmful chemicals. This can include chemicals such as: Diacetyl: This food additive, used to deepen e cigarette flavors, is known to damage small passageways in the lungs. INFOGRAPHIC: How Dangerous Are E Cigarette Ingredients? Tobacco Tuesday Tip One Juul pod = 20 cigs. Some vapes = over 200. That's a lot of nicotine. Think before you puff. This school year, let's stand together with the JUUL Is Unsafe. We Want You to Know Why. The Promise of Vaping and the Rise of Juul The New Yorker What are the harmful ingredients in Juul pods?