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This document provides information on various vitamins and vitamin deficiencies. It discusses the causes of folate deficiency including alcoholism, oral contraceptives, and low dietary intake. It describes the signs and symptoms of hypervitaminosis A as headache, hepatomegaly, anorexia, alopecia, and painful bones. The names of the B vitamins are listed in order from thiamine to cobalamin. Symptoms of infantile beriberi are also described. Niacin deficiency signs are listed as the "4 D's" of diarrhea, dermatitis, dementia, and death if untreated. Vitamins A, D, E, and K are identified as the fat-soluble vitamins.


