Many Adults Don't Think Exposure To Vaping Is Bad For Kids 90.3 KAZU 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 Tobacco and Nicotine Products: Old, New & Dangerous for Kids HealthyChildren.org