Zinc in depressive disorder

Plasma zinc levels were measured in 14 patients with primary affective disorder on admission to hospital; they were compared with plasma zinc levels in group of 14 age- and sex-matched controls. A significant difference in zinc levels was found between the 2 groups. Plasma zinc levels of 9 of the depressed patients on admission to hospital and at the point of discharge were compared; a significant increase in zinc levels was detected.