ScienceDaily (Feb. 23, 2010) — Those who live in industrialized countries have easy access to healthy food and nutritional supplements, but magnesium deficiencies are still common. That's a problem because new research from Tel Aviv University suggests that magnesium, a key nutrient for the functioning of memory, may be even more critical than previously thought for the neurons of children and healthy brain cells in adults.
http://www.sciencedaily.com/releases/2010/02/100222162011.htm