Thanks for the link, I need to give it (nicotine) up soon.
It’s a tough habit.
I only gave up the nicotine habit under duress (screwed up my back, it hurt when I coughed, caught a cold and had a 5 minute coughing fit. Every cigarette thrown out)
Smoking: The Cause and Cure
https://www.fhu1.org/Merchant2/merchant.mvc?Screen=PROD&Product_Code=7516D