Gulp

Adventures on the Alimentary Canal by Mary Roach

By Erika Engelhaupt, 10:18 AM May 3, 2013

It’s no coincidence that the word “visceral” refers both to entrails and to the sensation one feels on a roller coaster. We humans have a love-hate relationship with our guts, and Roach’s latest book capitalizes on that mix of fascination and repulsion to lure us into reading about the digestive system.

Gulp explores the alimentary canal, moving like a bolus of food from mouth to stomach to lower gastrointestinal tract. Along the way, Roach visits scientists studying the various elements of ea...

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