What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology The Dangers of Vaping Oral Health Perspective Parts of an e cigarette and health effects of trace metals released Download Scientific Diagram 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.