As Delhi prepares for Diwali, the city is once more enveloped in a dense grey smog. On the festival's eve, the Air Quality Index (AQI) in the capital reached 278 (poor), while Anand Vihar registered a severe 426, indicating the return of hazardous air.

Doctors warn that this isn’t just a seasonal concern; it’s a growing public health emergency that goes far beyond coughing or breathlessness. The heart, blood vessels, and even the body’s immune defences are all under silent attack.

Air pollution is no longer just a lung problem Dr L. K. Jha, Associate Director and Head of Unit-II, Cardiology at Asian Hospital, says the effects of Delhi’s worsening air are now being felt far beyond the respiratory system.“Over the past few years, we’ve been seeing more patients with no previous history o

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