Study finds that welders exposed to airborne manganese at estimated levels below federal occupational safety standards exhibit neurological problems similar to Parkinson’s disease. The more they are exposed to manganese-containing welding fumes, the faster the workers’ signs and symptoms worsen.

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Study finds that welders exposed to airborne manganese at estimated levels below federal occupational safety standards exhibit neurological problems similar to Parkinson’s disease. The more they are exposed to manganese-containing welding fumes, the faster the workers’ signs and symptoms worsen.