E cigarette use increases risk for developing major respiratory diseases Vaping Chemicals Mix to Form New Toxic Compounds Respiratory Therapy SJC Public Health Services Did you know that vaping can have similar secondhand impacts just like cigarettes? It is known to be harmful and has been linked to Instagram E cigarettes may be less harmful than regular cigarettes, but they aren't harmless. Here are a few of the risks of inhaling the aerosol or vapor a.k.a. vaping produced by e cigarettes: Study: No Major Respiratory Symptoms Among Vapers Tobacco Reporter