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Coal miner’s pneumoconiosis, or black lung disease, results from the inhalation of coal dust. Human anatomy filters out the larger dust particles, but the smallest manage to reach the alveoli, or air sacs, of the lungs. These air sacs exchange gases with the blood. Over time, inhaling substantial quantities of coal particles causes the air sacs to lose elasticity and become weaker, contributing to emphysema. Deposits of dust-containing blood cells become permanently lodged in the lungs, restricting airflow and producing chronic bronchitis. A miner in the early stages of this disease may experience occasional shortness of breath and coughing that eventually increases in frequency. Later symptoms include wheezing and pressure or tightness in the chest. Because it curtails oxygenation of the blood, pneumoconiosis may result in high blood pressure, enlarged heart, heart attack, or acute pneumonia.

Some early 19th-century physicians and critics of industrialization noted the symptoms of what was then referred to as ‘‘miner’s asthma.’’ The disease increased dramatically with 20th-century mine mechanization, which increased the level of dust in mining. Unfortunately, x-ray techniques failed to provide an efficient tool for diagnosing the medical effects of coal dust in the lungs. Black lung was denied as a real disease until established by crusading doctors after midcentury. A 1954 scholarly article by West Virginia physician Joseph E. Martin Jr. insisted that black lung was indeed a progressive, terminal disease associated with exposure to coal dust. By the 1960s, a small group of doctors, especially Donald Rasmussen, conducted research, pioneered alternative forms of diagnosis, and offered mounting medical evidence of black lung as an occupational disease. Rasmussen and other activist physicians such as I. E. Buff and Hawey A. Wells Jr. joined with the rank-and-file miners of the Black Lung Association to educate miners, the public, and politicians about the disease. Legislation declaring black lung a compensable injury passed the West Virginia legislature in 1969 and became federal law later the same year.

This Article was written by Paul H. Rakes

Last Revised on November 14, 2010


Smith, Barbara E. Digging our Own Graves: Coal Miners and the Struggle over Black Lung Disease. Philadelphia: Temple University Press, 1987.

Cite This Article

Rakes, Paul H. "Black Lung Disease." e-WV: The West Virginia Encyclopedia. 14 November 2010. Web. 25 February 2018.


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