5 Vaping Facts You Need to Know Johns Hopkins Medicine An updated overview of e cigarette impact on human health Respiratory Research Springer Nature Link 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. The impact of e cigarette exposure on different organ systems: A review of recent evidence and future perspectives ScienceDirect Oral Health Risks of Vaping Smoking health information