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Podcast: In Focus by The Hindu
Episode: What happens to your body when you breathe in polluted air | In Focus
Description: Every year in November and December, the residents of Delhi and the National Capital Region, find it hard to breathe. Toxic air chokes the lungs, doctors advise people to avoid outdoor walks and runs, hospital outpatient services overflow with people facing respiratory problems, and there is a call for emergency measures to bring the air quality index down from severe to satisfactory. Meteorological conditions such as cold air and a drop in wind speeds combine with the year-long emanation of pollutants into the air from industries, vehicles, construction as well as stubble smoke, along with festive firecrackers -- and...