In the 2015 sci-fi film The Martian, a marooned astronaut survives on the red planet eating nothing but potatoes. But since there are no real humans on Mars, could a person survive eating nothing but spuds on Earth?

The short answer: Unless you’re stranded with nothing but taters, it’s not a good idea.

Learn more: http://pops.ci/OneFood

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Producer/Video by: Jason Lederman

Narrator: Jess Boddy

Researcher: Ellen Airhart

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Media:
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