Results from a recent research found that children who had vitamin D deficiency according to blood levels when they were in elementary school, scored higher on tests that detect behavioral problems in adolescence, compared to children who did not have vitamin D deficiency.
The specific problems for which they scored higher involved externalizing behavior, which refers to aggressiveness and a tendency to break rules. Vitamin D-deficient children also had higher scores in some tests of anxious/depressed behavior compared to their non-deficient peers.
Childhood blood levels of the protein that transports vitamin D in blood were also related to behavior problems in adolescence, in generally comparable ways as vitamin D was.
Read full report on this interview by Eduardo Villamor, M.D https://bit.ly/2TXnFTp