Shocking! Heavy smokers who quit 15 years ago still at high risk for lung cancer
People who were once heavy smokers, but quit the habit for over 15 years are still at a higher risk of developing lung cancer.
Jan 27, 2016, 10:25 AM IST
People who were once heavy smokers, but quit the habit for over 15 years are still at a higher risk of developing lung cancer.
Jan 27, 2016, 10:25 AM IST