Brenda Penninx, Ph.D., and colleagues from The Johns Hopkins University, the University of Colorado in Denver and Vrije University in the Netherlands have found a positive correlation between vitamin B12 (cobalamin) deficiency and depression in physically disabled elderly women. Data from the Women's Health and Aging Study were used to assess the link between vitamin B12 levels, folate levels and depression in 700 community-dwelling, physically disabled women ages 65 and ... Read More