Vaping Around Babies How Secondhand Vapor Smoke Can Harm Kids How can I protect my child from thirdhand smoke in cars? Thirdhand Smoke Resource Center Research has shown that smoking during pregnancy or after birth increases the risk of SUDI (sudden unexpected infant death) and SIDS (sudden infant death syndrome). But researchers don't know whether vaping is Is it safe to vape around children? Many parents mistakenly think so, study finds