Controversial Study Finds Toxic Chemicals in E Cigarette Vapor E Cigarette Reviews and Rankings Clenzy Vape: Is It Really a Healthy Vape Alternative? Avenues Recovery The rise of nicotine analogues in vaping products The Lancet Respiratory Medicine 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