Smog causing bronchitis, asthma, cough, allergies and even cancer: Report by Abbas Adil 14:31 | Wednesday November 23، 2022 14:31 | Wednesday November 23، 2022 Unchecked crop residue burning, smoke emitted from vehicles and mills, and improper management by the provincial government, land millions of Punjab residents in real trouble when smog engulfs vast tracts…