Are nicotine-containing e-cigarettes/ vape pens safer than tobacco cigarettes?

  Question and comment from a Member: What are the medical hazards of using nicotine e-cigarettes (“vape pens”) versus smoking tobacco cigarettes? I’m assuming that vape pens are less dangerous, but I haven’t dived into the data. Most of the teens I work with vape nicotine in the bathroom (and in the classroom) multiple times…