E Cigarettes: Know the Health Risks Department of Health About E Cigarettes (Vapes) Smoking and Tobacco Use CDC 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. High concentrations of flavor chemicals are present in electronic cigarette refill fluids Scientific Reports Vaping vs. smoking: what are the risks? Pacific Life Re