Secondhand Smoke and Children Children to be better protected from second hand smoking and vaping GOV.UK Where Is Dr Casey? Secondhand Smoke Affects Your Child's Oral and Overall Health ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Vaping Around Babies How Secondhand Vapor Smoke Can Harm Kids Secondhand smoke and secondhand aerosol