Vaping Harmless. Vape aerosol contains toxic chemicals like formaldehyde, arsenic, lead, chromium, and nickel. They damage lungs. They harm developing brains. They raise cancer risks. We Vaping and Electronic Cigarette (E Cigarette) Products Cattaraugus County Website E Cigarette Brands Are Skirting the Rules About Health Warning Labels on Instagram, Study Finds The Brink Boston University Vaping, Smoking and Your Oral Health: Hidden Risks Vaping can have several harmful effects on health. It can damage the lungs, leading to respiratory issues like coughing and shortness of breath. The chemicals in vape liquid can also cause