Dementias: the role of magnesium deficiency and an hypothesis concerning the pathogenesis of Alzheimer's disease. - PubMedhttps://www.ncbi.nlm.nih.gov/pubmed/2092675AbstractEvidence is presented indicating that dementias are associated with a relative insufficiency of Magnesium (Mg) in the brain. Such insufficiency may be attributable to low intake or retention o