Nicotine reduces withdrawal discomfort and stress signals temporarily, which creates a calming sensation even though it stimulates the nervous system.
Every cigarette that Ive ever smoked served a purposethey were a signal, medication, a stimulant, or a sedative, they were a plaything, an accessory, a fetish object, something to help pass the time, a memory aid, a communication tool, or an object of meditation
On the other hand, people who used flavored e-cigs without nicotine had a higher likelihood of quitting e-cigs
1 Nicotine absorption from NRTs (including nicotine gum, transdermal patch, nasal spray, inhaler, sublingual tablets, and lozenges) is slower than from smoking and blood levels of nicotine rise more slowly
Retarding effect of lowered heart rate on coronary atherosclerosis