Up to 2.5% of children and 8.3% of adolescents suffer from depression, a condition that’s associated with significant complications later in life, including an increased risk of suicide, substance abuse, physical diseases and problems with work, academic and psychosocial functioning. It’s believed that both genetic and environmental factors play a role in why some children develop depression, and increasing attention has been placed on the role of dietary factors and nutrients such as vitamin D, which is ideally obtained via sun exposure. Further, one-carbon metabolism, which includes vitamin B12, folate and homocysteine and which plays a role in many biological processes and maintaining cellular homeostasis, has been investigated for its role in psychiatric disorders, including depression in adults. After exploring the link further, researchers from Ordu University in Turkey revealed that low vitamin B12 and vitamin D levels, along with increased homocysteine, may play a role in depression among children …