Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology What is Vaping? Learn About Electronic Cigarettes CASAA Thousands of Unknown Chemicals Found in E Cigarettes Respiratory Therapy 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.