Secondhand vape exposure: Risks and side effects 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 Vaping vs Cigarettes Health Impacts Compared Nicotine absorption from electronic cigarette use: comparison between first and new generation devices Scientific Reports How E Cigarettes Affect Your Body 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