India, Sept. 20 -- Smoking is infamous for its adverse health effects, particularly on the lungs. But how significantly can quitting help, and what does it mean for lung cancer risk? Do the benefits begin immediately or develop gradually over time? And how does the risk for a former smoker compare with that of someone who has never smoked?ALSO READ: Can exercise lower lung cancer risk after quitting smoking? Oncologist explains

Dr Kumar Prabhash, Professor of Medical Oncology and Head of the Solid Tumour Unit at Tata Memorial Hospital, and Director of Homi Bhabha Cancer Institute, Muzaffarpur, explained to HT Lifestyle how lung cancer risk changes after quitting smoking.

The doctor confirmed that benefits begin as soon as patients quit ...