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 E Cigs and Second Hand Vaping: Dangers and Protections Second hand vape smoke linked to more asthma symptoms in kids Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Secondhand vaping: The latest vaping health risk CNET