The devices, popular among teens, emit lead, nickel and antimony at concentrations that may exceed cancer and neurological risk thresholds. Vaping has been marketed as a healthier alternative to smoking. But, do you actually know what is in your vape? Turns out vapes contain heavy metals, cancer causing agents, and so many more FDA staff blindsided by move allowing more e cigarettes and nicotine pouches onto US market Secondhand aerosol, sometimes referred to as vapor or vape", emitted by electronic cigarettes exposes bystanders to harmful elements such as nicotine, heavy metals, ultra fine particulates, volatile organic compounds, and other toxicants. A Your Vape Pen Might Be Full of Lead