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Enoki mushrooms have been used in Eastern medicine for hundreds of years and are now being studied for their anti-tumor properties. Mary Shattock/Flickr hide caption

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Mary Shattock/Flickr

Mushrooms Are Good For You, But Are They Medicine?

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Potato Research Institute geneticist Jaroslava Domkářová says that while potatoes are a staple crop in the Czech Republic, the recent blue "specialty varieties" are harder to market. Morgan Childs for NPR hide caption

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Morgan Childs for NPR

Researchers say the polyphenols in dark chocolate can help the body form more nitric oxide, a compound that causes blood vessels to dilate and blood to flow more easily. iStockphoto hide caption

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