And yes, as it happens, his father died of black lung before he hit 60.
The permanent inhalation of such an atmosphere results in what is termed the “black lung.”
black lung n.
A form of pneumoconiosis common in coal miners, characterized by the deposit of carbon particles in the lungs.
|black lung |
An occupational disease of coal miners caused by the long-term inhalation of coal dust, characterized by the presence of coal around the bronchioles on x-ray images. Most patients develop no symptoms, but a few advance to progressive obstruction of the airways and destruction of lung tissue with accompanying shortness of breath and eventual respiratory disability.