Black Lung - Coal Worker's Pneumoconiosis
A display case at NIOSH shows a normal lung and a diseased black lung, caused by inhaling coal dust and other harmful particles while coal mining.

Black Lung - Coal Worker's Pneumoconiosis

Howard Berkes/NPR

A display case at NIOSH shows a normal lung and a diseased black lung, caused by inhaling coal dust and other harmful particles while coal mining.

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Kali Yantra