During the operation, a small piece of your skull is cut away so the surgeon can access the cause of the bleeding. They can then repair any damaged blood vessels and ensure there are no blood clots that could restrict the flow of blood in your brain. If a blood clot has formed, it may be removed.
Coal workers' pneumoconiosis (CWP), also known as black lung disease or black lung, is caused by long exposure to coal dust. It is common in coal miners and others who work with coal.oal workers' pneumoconiosis (CWP), also known as black lung disease or black lung, is caused by long exposure to coal dust. It is common in coal miners and others who work with coal.
Since the Federal Coal Mine Health and Safety Act of 1969 became law, black lung disease has gone down by 90%, but the downward trend of this disease in coal miners has stopped. Rates are now on the rise, with incidents of black lung disease having doubled in the last 10 years.