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. Medical Infograph. This Infograph compares the potential health risks Download Scientific Diagram The impact of e cigarette exposure on different organ systems: A review of recent evidence and future perspectives ScienceDirect Infographic: Dangers of E cigarettes & Toxicity UPMC HealthBeat Health impacts of electronic cigarettes ANU National Centre for Epidemiology and Population Health What are the respiratory effects of e cigarettes? The BMJ