Just because you stopped smoking years ago doesn't mean you're out of the woods when it comes to developing lung cancer. However there is still a ray of hope. According to a study conducted by the Vanderbilt University Medical Center the risk of lung cancer drops substantially within five years of quitting. If you smoke now is a great time to quit said first author Hilary Tindle. The fact that lung cancer risk drops relatively quickly after quitting smoking compared to continuing smoking gives new motivation. Tindle and her colleagues examined the health records of residents of Framingham Massachusetts who