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June 7, 2011

Dirty Truth: Humans Eat Dirt to Shield the Stomach

If you crave a snack of dirt and clay, you may be pregnant. New research shows that eating dirt, also called geophagy, is most common during the early stages of pregnancy and in young children, where the clay has a soothing effect on the stomach and can protect the individual from viruses and bacteria.

"This clay can either bind to harmful things, like microbes, pathogens and viruses, that we are eating or can make a barrier, like a mud mask for our gut," said study researcher Sera Young, at Cornell University in Ithaca, N.Y. "Contextualizing this, making it clear to people that its not such a weird behavior, will help women come forth and not feel so alone."

The practice is most common in warm, tropical areas, though it has been found all over the world, including in the United States. Most people with dirt cravings don't readily admit it, though. Several hypotheses have been put forth to understand why some people eat dirt, though there is no consensus.

Dirty Truth: Humans Eat Dirt to Shield the Stomach - Yahoo! News

2 comments:

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