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Mineral Composition of Brains of Normal and Multiple Sclerosis Victims

Abstract Elemental contents of human brain samples were determined using plasma emission spectroscopy. White matter samples from brains of multiple sclerosis (MS) victims had significantly greater concentrations of calcium, iron, manganese, and zinc, and significantly less phosphorus, as compared with controls. Whether these differences in elemental concentrations indicate an etiogenic or pathogenic relationship between these elements and MS is not known.