Parents using e cigs expose kids to dangerous secondhand vapor Futurity The risks of first hand and second hand vaping Eoleaf Millions of people are exposed to secondhand smoke every day. People living in multi unit housing are some of the most exposed. The only way to fully protect people from secondhand smoke at Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Secondhand vape plumes could form lung damaging radicals Second hand smoke from e cigarettes 'poses NO risk to the public' Daily Mail Online