Are Kids Really Eating Vape Pods? E cigarettes and Vaping Idaho Office of Drug Policy Vaping is often marketed as a safer alternative to smoking, but many vape products contain nicotine, harmful chemicals, and heavy metals that can harm developing brains and lungs. Why is vaping so popular? Devices are sleek and can be highly addictive. Vox 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 JUUL: Side effects and health risks