Both - Sulfur and Selenium - affect the central nervous system, provoking an inflammatory response as a result of excessive uptake retention, and provoking a degenerative response as a result of insufficient uptake retention. Subsequently, dietary and supplemental sources of sulfur should be adjusted accordingly when dealing with either one of these conditions. It should be noted however that diet is not the cause of amyotrophic lateral sclerosis, but the disease presents with excessive storage of cellular sulfur and selenium... Full Text