Kolkata has upstaged Delhi as the air pollution capital of India, accounting for more deaths due to lung cancer and heart attack than the capital city.

More than 18 persons per one lakh people in Kolkata fall victim to lung cancer every year, compared to the next highest 13 per one lakh in Delhi, according to environmental scientist and advisor of Chittaranjan National Cancer Institute, Twisha Lahiri.

Not only lung cancer, cases of heart attack were also rising fast in the Eastern metropolis, Lahiri said, quoting a six-year survey conducted by the cancer institute. She said incidents of heart attack were occurring more frequently in the city.

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Source: Rediff News (www.rediff.com/news)