Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times A TikToker went viral for saying she won't quit vaping while pregnant. The CDC says nicotine products are unsafe for pregnancy. Have you ever breathed in secondhand vapor from a vape? What exactly are you inhaling? It turns out it's a lengthy list of chemicals. FULL STORY New brief outlines devastating harms from tobacco use and exposure to second hand tobacco smoke during pregnancy and throughout childhood Report calls for protective policies