Tag Archives: digestive/excretory

What the appendix is good for

By Emily Sohn / March 17, 2010

Some body parts seem pointless but in fact have purpose.

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Eating Troubles

By Emily Sohn / January 30, 2006

Researchers are zeroing in on what causes certain people to see food as the enemy.

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Spit Power

By Emily Sohn / January 23, 2006

Saliva provides clues about diseases, dental cavities, and who might have been at a crime scene.

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