India, Nov. 28 -- As winter sets in, Delhi once again finds itself shrouded in a thick blanket of toxic smog, with the air quality dipping into 'poor' or worse for several consecutive days. This seasonal decline has become an almost predictable pattern, with pollution levels steadily worsening year after year - yet the health risks remain just as severe. In such conditions, protecting yourself is no longer optional but essential.

Dr Alok Chopra, the founder-director and consultant cardiologist at Delhi's Aashlok Hospital, with 40 years of experience, has shared a practical survival guide for the severe air-pollution crisis gripping the city and its residents. In an Instagram video posted on 27 November, the cardiologist stresses that the...