(Credit to Garth Haughn for the blurb below)
There are 3 things that have been known about nicotine for many years.
1. It does not cause cancer.
2. It isn't nearly as addicting as most believe.
3. It is a very valuable medication for people with Alzheimers, Parkinson and Schizophrenia to name a few.
The electronic cigarette just happens to be the best delivery tool for the patient.