Quitting smoking only drops your risk of lung cancer by 21%: https://www.webmd.com/smoking-cessation/news/20080506/quit-smoking-death-risk-drops-fast https://ww

Quitting smoking only drops your risk of lung cancer by 21%: https://www.webmd.com/smoking-cessation/news/20080506/quit-smoking-death-risk-drops-fast https://www.webmd.com/smoking-cessation/news/20080506/quit-s...