Welders exposed to airborne manganese at estimated levels below federal occupational safety standards exhibit neurological problems similar to Parkinson's disease, according to new research at ...

Overexposure to manganese has caused Parkinson’s-like symptoms for thousands of welders. So why does the welding industry still get a free chemical pass? A <i>Mother Jones</i> investigation.

Welders exposed to airborne manganese at estimated levels well under federal safety standards develop neurological problems, according to a new study. Current safety standards may not adequately ...