"It's A Public Health Emergency": Dr. Naresh Trehan On Delhi's Toxic Air Crisis

Top cardiologist Dr. Naresh Trehan, Chairman of Medanta Hospital, has called Delhi's air pollution a "public health emergency," warning that hospital visits for respiratory illnesses have tripled. He says children's lungs are being irreversibly damaged and urges immediate action, adding that political blame games must stop as the city turns into a "gas chamber" year after year.

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