This reads like a thinly-veiled marketing piece for Nicorette (now owned by J&J and GSK) via lobbying -- four years after nicotine gum receives FDA approval in the U.S.
I have yet to see any actual research on isolating nicotine as the addictive component in tobacco products.
Do you?
This is pretty much settled science, and has been since 1986. Page 30: https://www.ncbi.nlm.nih.gov/books/NBK179276/pdf/Bookshelf_N...