Many people believe that vaping is less harmful than smoking, but that's a common misconception. In fact, in addition to nicotine, vapes can contain toxic chemicals that could be linked to cancer, The Ultimate Guide to Vaping for Beginners: How to Get Started Vaping Is Vaping Bad For You? 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. 22 people have been hospitalized with vaping linked breathing problems. Doctors don't know why.