Vitamin D deficiency may cause depression in children

Children with higher levels of the vitamin have a 10 percent lower risk of developing the mental health problem. Research from the Children of the 90s project at the University of Bristol, England shows that the link between low levels of vitamin D and depression is established during childhood. Ensuring children have a good intake of vitamin D could help reduce depression in adolescence and adulthood. The study investigated levels of two forms of vitamin D - D2 and D3 - and found the strongest anti-depression link with D3.