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Low levels of vitamin D have been associated with low mood and behavioral difficulties in children, and psychological difficulties, such as feelings of anxiety, in adults
The same is true here
Evidence for a major role of heredity in Graves disease: a population-based study of two Danish twin cohorts
It has several important metabolic and biological effects, which include improving vascular function, being a substrate in the synthesis of creatine, and the ability to stimulate insulin
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