Video discusses how people can get addicted to nicotine without having used cigarettes. Also important to understand in order to avoid relapsing by using other nicotine products after having quit smoking.
Resources addressing using non-tobacco forms of nicotine as quitting aids
“I am afraid I might get addicted to my nicotine replacement therapy”
Keeping NRT in case of emergency
My first encounter with NRT
The President and nicotine gum
Prolonging nicotine withdrawal
30 years of nicotine gum