India, Sept. 26 -- According to the Centres for Disease Control and Prevention (CDC), smoking not only causes cancer, but it also blocks your body from fighting it by weakening the immune system, leading to the cancer cells continuing to grow without being stopped.

Doctors have known for years that smoking causes most lung cancers. But does quitting this deadly habit save you from the risk of getting lung cancer? In an August 19 Instagram post, Dr Sonia Goel, chest specialist and pulmonologist, talked about the risk of getting cancer in the lungs even when you don't smoke.

The pulmonologist stressed that if you believe lung cancer is only a smoker's disease, it is time you think again. Answering the important question of whether you can...