Reviews

Craving Earth by Sera L. Young

By Science News

- More than 2 years ago

Human biology and culture are interwoven in this exploration of pica, the craving to eat clay, dirt, starch and other nonfood substances.

Columbia Univ. Press, 2011, 228 p., $29.50.

A version of this article appears in the April 9, 2011 issue of Science News.

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