Black Lung Disease Prevalence Rose Among Miners

A new federal study shows one in three underground miners in central Appalachia tested positive for the disease.

Updated on Sept. 30, 2026 in Asthma

Black Lung Disease Prevalence Rose Among Miners

Live Poll

Should the federal government prioritize stricter safety regulations for industrial workers over deregulation efforts?

A National Institute for Occupational Safety and Health report released in 2026 shows that coal workers' pneumoconiosis, or black lung disease, has reached a 33% positive test rate among underground miners in central Appalachia. This prevalence has increased across all groups with ten or more years of experience since 2000.

Why it matters

Rising rates of this incurable respiratory condition highlight the growing health stakes for miners, particularly as shifts in mining practices have increased exposure to silica-rich dust. The findings underscore the impact of evolving workplace safety oversight, including the recent closure of 34 Mine Safety and Health Administration offices and the pausing of silica exposure rules.

A National Institute for Occupational Safety and Health study tracking miners from 1974 through 2025 found that black lung disease prevalence has trended upward since 2000. In the most recent five-year period, 33% of underground miners in central Appalachia tested positive for the condition.

The players

Andy Beshear

The Governor of Kentucky who is advocating for expanded medical and financial benefits for miners with black lung disease.

Robert F. Kennedy

The official who oversaw the layoff of 873 employees at the National Institute for Occupational Safety and Health.

Mine Safety and Health Administration

The federal agency tasked with enforcing mine safety, which recently paused a silica exposure rule and closed 34 regional offices.

The details

The disease develops when miners inhale respirable crystalline silica particles, a byproduct of cutting through rock to reach thinner coal seams. This exposure triggers an inflammatory response in the lungs that leads to scarring and permanent respiratory impairment. The increase follows a period where national surveillance was first established by the Federal Coal Mine Health and Safety Act of 1969.

1974: The Coal Workers' Health Surveillance Program began monitoring miners.
1977: The Federal Mine Safety and Health Act was enacted.
2000: Black lung prevalence fell to 5% among underground miners.
March 2025: The Department of Labor closed 34 MSHA offices across 19 states.
September 24, 2026: Governor Andy Beshear requested expanded benefits for affected miners.

Health Landscape

The current increase in black lung cases marks a significant departure from the steady decline in prevalence observed since the passage of the Federal Coal Mine Health and Safety Act of 1969. This trend complicates long-term efforts to manage occupational respiratory risks in the mining industry.

Miners with a history of long-term underground work should prioritize regular respiratory screenings and discuss their specific exposure history with a physician. Those experiencing persistent cough or shortness of breath should seek an evaluation focused on identifying early signs of pneumoconiosis.

The takeaway

The rise in black lung disease among experienced miners signals a critical need for consistent medical monitoring. Consult with your healthcare provider about lung function testing if you have worked in environments with high levels of respirable crystalline silica.