Most cases of adult lead poisoning now arise either as a result of occupational exposure or following the use of oral or topical traditional remedies and/or cosmetics that contain lead. Occasionally, the source of lead exposure is an individual's hobby, such as indoor rifle shooting or art restoration. In addition, pica, the repeated ingestion of non-food substances, still accounts for a number of cases of lead poisoning in children and occasionally in pregnant women. Children have also developed lead poisoning from eating, chewing or sucking imported domestic items or toys.

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