8. Hair Fall
Hair fall is usually a sign of stress. However, serious hair fall can also be a sign of vitamin D deficiency. Although only few research showed a connection between in sufficient vitamin D and hair loss, several studies found that vitamin D deficiency is a potential risk factor of alopeica areata, an autoimmune condition where significant hair fall occurs in the head and body. In one case study, an artificial form of vitamin D help to relieve hair loss in a male child who suffers from having abnormal vitamin D receptor.
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