A tale of two Juul pods: China's counterfeits pose a threat to US New York Post JUUL Pod Ingredients: What's in E Cigarettes? 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 What Is Juuling? UPMC MyHealth Matters Sunset Vape JUUL manufacturers aren't required to disclose their ingredients. Cartridges or pods may contain arsenic, formaldehyde, rubidium, benzaldehyde, cadmium and or lithium. Scientists are still working to understand more fully the health