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. Toxic Thirdhand Smoke Residue Reaches Many Children Even in Nonsmoking Homes Research Horizons How can I protect my child from thirdhand smoke in homes? Thirdhand Smoke Resource Center Protect Babies and Kids from Vaping Risks Second hand Smoke and Children CHOC Children's Health Hub