Let them eat clay?

30 Aug

If you haven’t seen Steven Colbert’s amazing take down of a product called the Vapshot. You need to stop reading and watch it immediately.



Colbert demonstrates the importance of critical thinking in assessing the safety of commercial products. I was thinking about this when I read this article in The New York Times about the new fad of clay eating.

Clay eating is potentially dangerous since some clays contain arsenic and lead.

I was struck by this claim made by Dr. Holly Phillips:

  “The ancient Greeks and Romans touted clay’s ability to boost the immune system.”

While the ancients may have had a notion of immunity, the concept of an immune system is modern.

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