Symptoms Of Second hand Vape Smoke 2nd Hand Vape Smoke Side Effects Health experts say not Breathing in someone else's smoke or vape isn't harmless. Secondhand smoke exposure can affect your lungs, brain, and overall health. Protect your families and yourself. Inhalar el humo o el vapor de Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals Chemicals Department Our plans to protect future generations from the harms of tobacco and nicotine are back in Parliament this week. The Tobacco and Vapes Bill will help: children avoid a