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. Composition of electronic cigarette aerosol Wikipedia What is Vaping? Learn About Electronic Cigarettes CASAA The Facts About Vaping Newton County Health Thousands of Unknown Chemicals Found in E Cigarettes Respiratory Therapy Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology