Poverty, Pica, and Poisoning

A study of pica in relation to lead poisoning.

I T HAS BEEN known that lead may cause poisoning in man since ancient times.1 Only in comparatively recent years has attention been called to its toxic effect in 23 in whom the diagnosis can be easily overlooked until encephalopathy occurs, and may be missed even then. The incidence of the disease is difficult to determine, because in most states it is not reportable and since the diagnosis is ...

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This article has no abstract.

Development of object permanence in food-storing magpies (Pica pica).

The development of object permanence was investigated in black-billed magpies (Pica pica), a food-storing passerine bird. The authors tested the hypothesis that food-storing development should be correlated with object-permanence development and that specific stages of object permanence should be achieved before magpies become independent. As predicted, Piagetian Stages 4 and 5 were reached bef...

Pica, constipation and cardiorespiratory arrest.

Mourato Nunes I, et al. BMJ Case Rep 2017. doi:10.1136/bcr-2017-221066 Description Pica is an eating disorder typically defined as the persistent ingestion of non-nutritive substances, for at least 1 month, at an age of which this behaviour is inappropriate. It may be benign or may have life-threatening consequences. 2 The clinical presentation is highly variable and is associated with the spec...

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