![John Elflein](https://cdn.statcdn.com/static/../CMS/contactperson/ERI1013_1592297846.jpg)
U.S. youth who were exposed to secondhand smoke 2013-2016, by age and gender
Between the years 2013 and 2016, more than a third of U.S. youths aged 3 to 17 years had been exposed to secondhand smoke. Secondhand smoke exposure can cause severe and fatal health problems such as respiratory and ear infections, asthma attacks, infant death syndrome.