How long do you have to be exposed to manganese fumes before you suffer adverse health effects?
Manganese fumes, if inhaled, have been associated with various neurological diseases, including Parkinson’s, since 1837. Again, in 1932, 1937, 1963, and 1981, additional studies were published linking neurological damage with exposure to manganese fumes.
Prolonged exposure for as little as three months can lead to problems that typically begin with feelings of weakness and lethargy and psychological disturbances. Manganism is often reversible if it is recognized and arrested in this early stage.
However, long term exposure to manganese can cause irreversible diseases such as: bronchial asthma, lung fibrosis, pneumoconiosis or "siderosis," central nervous system disease similar to Parkinson's Disease, including slowness, changes in handwriting, gait impairment, muscle spasms and cramps and less commonly, tremor and behavioral changes. Other long term exposure problems include lung fibrosis or pneumoconiosis, higher incidence of lung and nasal cancers, ulceration and perforation of nasal septum, respiratory irritation, lung cancers, loss of appetite, weight loss, loss of muscle coordination, difficulty in breathing and anemia.
People who are overexposed to manganese compounds should be seen by a physician for early detection of neurological problems. |
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