The Dangers of JUUL: What Families Need to Know Queensland Health We said what we said. Vapes are filled with heaps of nasty chemicals that can be harmful to your short and long term health. They can Instagram 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 Study finds cannabis vaping more harmful than nicotine vaping Health Risks of E Cigarettes and Vaping American Lung Association