I smoked for 7 years, the quit, then picked it back up 4 years later for 5 more years. I didn't really meet the criteria outlined in this article of x "pack yea

I smoked for 7 years, the quit, then picked it back up 4 years later for 5 more years. I didn't really meet the criteria outlined in this article of x "pack years and over 55". I have read that quitting before 40 reduces your chances of lung cancer to that of the general population. Honestly within two years it was stark how much a difference there was.