Dirty eating for healthy living

Jared M. Diamond ()
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Jared M. Diamond: University of California Medical School

Nature, 1999, vol. 400, issue 6740, 120-121

Abstract: Geophagy is the regular and intentional consumption of soil, and proposals as to its purpose have been many and varied. A spectacular example of geophagy is the highly selective consumption of earth — clay in particular — by flocks of certain parrots in the Amazonian rainforest. The reason, as reported in a new study, is that in the birds' stomachs the clay detoxifies foods that the parrots would otherwise be unable to consume.

Date: 1999
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DOI: 10.1038/22014

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