Which among the following chronic lung disease commonly known as 'Black Lung' disease, leads to reduced life expectancy in Environment Questions

Which among the following chronic lung disease commonly known as 'Black Lung' disease, leads to reduced life expectancy in coal-miners?

(a)Pneumoconiosis Right sign

(b)Progressive Massive Fibrosis

(c)Mesothelioma

(d)Collier's Asthma

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