FDA Denies Marketing Applications for Vuse Menthol Tobacco Reporter 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. How many puffs are in a Vuse pod? Is Vuse Go Safe Pods Contain Diacetyl Vuse Pods: Your Vape Guide, Flavors & Safety Does E Cigarettes Vaping with Juul & Other Electronic Cigarettes E Cigarettes and Vaping PPAC Central