Be sure to brush your teeth regularly, drink plenty of water to keep your mouth moist with saliva (as saliva helps to keep your mouth clean and a lack of saliva can worsen the scent of breath after smoking), and chewing gum encourages saliva production, again helping to keep your mouth clean
Not all nodules are cancer, in fact, many are benign
It takes practice but Wonderful
If your main challenge is nicotine withdrawal, a nicotine-free vape alone wont curb cravings, making it less effective than nicotine replacement therapies like patches, gum, or nicotine-containing vapes
As an added bonus, $1.00 is donated towards Keep America Beautifuls Cigarette Litter Prevention Program for every pound of cigarette waste collected
"Mortality in relation to smoking: 50 years' observation on male British doctors"