EN
The content of magnesium in the blood serum or hair was determined in 88 patients using atomic spectrometry, and the content of magnesium, potassium, sodium, calcium, chlorine, phosphorus in the blood serum and magnesium, potassium, sodium, calcium, zinc, copper, iron, lithium, lead in their hair of 300 patients. When a considerable magnesium deficiency was revealed in blood serum and hair in 28 mentally handicapped males with increased aggression, restlessness, psychomotor excitation and coexisting epilepsia, a 1-month supplementation was administered, which resulted in a considerable improvement in the social functioning in 17 patients. The remaining 11 patients who did not show improvement after the first supplementation, were given the second 2-month supplementation, which resulted in the expected considerable improvement.