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16. Picture of Tonsil Stones

Picture of Tonsil Stones
Greg Ceo / Stone+/ Getty Images, (inset: Dr P. Marazzi / Photo Researchers, Inc.)
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Tonsil stones (also called tonsilloliths) form when bacteria and mucus get trapped and calcify in your tonsils' nooks and crannies, leaving a hard piece of matter and a bad taste in your throat. Although those bad smelling lumps can be uncomfortable, they usually are harmless.

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Reviewed by Laura J. Martin, MD on August 03, 2010

Image Source: Greg Ceo / Stone+ / Getty Images, (inset: Dr P. Marazzi / Photo Researchers, Inc.

Text: "Tonsil Stones: Treatment and Prevention", WebMD Medical Reference

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