Abstracts from the Literature, Litigation Watch: Welding Rods, August 2005

photo-1AUTHORS: Robert J.F. Elsner and John G. Spangler JOURNAL: Medical Hypotheses. 2005;65:607-616 SUMMARY: Manganese is an essential trace element, but is neurotoxic at high doses. Showering with Mn-laden water has never been evaluated as a central nervous system delivery vector for Mn, even though intranasally administered Mn in laboratory animals circumvents the blood-brain barrier and passes directly into the brain via olfactory pathways. The objective was to review the literature on Mn and attempt to quantify potential human CNS exposure to manganese …