Secondhand smoke and secondhand aerosol A smoke and vape free environment is one of the simplest ways to help protect your baby's health. Exposure before and after birth can increase the risk of SIDS and other serious health E Cigs and Second Hand Vaping: Dangers and Protections asthma tobacco Asthma Initiative of Michigan Sleeping baby safety tip: Keep baby's environment smoke and vape free. Secondhand smoke in areas where a baby sleeps or spends time, like home or the car, increases the risk of health problems. Experts Warn About the Lifetime Effects of Secondhand Smoke in Children CardioSmart American College of Cardiology