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Pica: A craving for something not normally regarded as nutritive. For example, dirt. Pica is a classic clue to iron deficiency in children. It also occurs in zinc deficiency. Pica is also seen as a symptom in several neurobiological disorders, including autism and Tourette's syndrome, and is sometimes seen during pregnancy. Like if a person craves things like; ice, cornstarch, dirt, baby powder, sand and anything that is grainy and have a different feel when you chew it.

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16y ago

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