Vaping Harmless. Vape aerosol contains toxic chemicals like formaldehyde, arsenic, lead, chromium, and nickel. They damage lungs. They harm developing brains. They raise cancer risks. We E cigarettes and Vaping Commercial Tobacco Use MN Dept. of Health Vaping: Understanding the Risks and Impacts on Health Nicotine absorption from electronic cigarette use: comparison between first and new generation devices Scientific Reports Tobacco Smoke, Vaping, and Asthma AAFA.org When someone vapes around others they expose them to 'second hand aerosol'. But what happens to that aerosol then? Does it disappear or is it like cigarette smoke and stays around, sticking to