India, Dec. 4 -- Air pollution has long been among the greatest silent threats in Delhi, heightening its intensity significantly during winter. The Air Quality Index (AQI) of the city has crossed the Severe 400 mark multiple times over the last decade, and was at the Very Poor mark of 342 at 4 pm on Wednesday, according to the Indian Institute of Tropical Meteorology.

The condition has led to hospitals seeing an influx of patients suffering from respiratory illness. Living in Delhi over the past 72 years, Dr Alok Chopra, a cardiologist (functional medicine and disease reversal) with over 40 years of experience, is stunned by the state of his hometown and comes forward on Instagram to help his fellow citizens fight the disaster.

Dr Chopr...