Formaldehyde in Electronic Cigarette Liquid (Aerosolized Liquid) Jenna L. Ruggiero, Lindsey M. Voller, Javed A. Shaik, Sara Hylwa, 2022 What are the harmful ingredients in Juul pods? Do Juul Pods Contain Formaldehyde 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, 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. DYKOne Juul pod contains as much nicotine as a pack of cigarettes. Side effects include increased heart rate and blood pressure, lung disease, chronic bronchitis and insulin resistance leading to type 2 Clinical Studies Juul Labs Science