Harmful Effects of Vaping Chart Health Edco Parts of an e cigarette and health effects of trace metals released Download Scientific Diagram Vaping has become common, but it's important to know what you're inhaling. Many e cigarettes contain nicotine, heavy metals like nickel and lead, and chemicals that can harm your lungs and overall health. Known Health Effects of E Cigarette Use Kansas Health Institute Frontiers Direct health implications of e cigarette use: a systematic scoping review with evidence assessment