Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America 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 Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Health Effects from Secondhand Exposure to E Cigarettes: A Systematic Review of Peer Reviewed Articles from 20042024