17 Body Facts From Mary Roach's 'Gulp'

17 Weird Facts About The Human Body

We are all aware that our bodies do really disgusting things. We just don't like to talk about it.

Mary Roach goes there in her new book, Gulp: Adventures on the Alimentary Canal.

Ever wonder why your stomach doesn't digest itself? Can constipation actually kill you? Why is crunchy food so appealing to us? Roach answers all these and more.

Here are 17 bizarre facts about food and your body that can be found in her new book! Enjoy!

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