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"Worthless" Foods That Are Actually Good For You (Page 7)

Radishes

6. Radishes

Radishes are rich in naturally occurring nitrates—which, unlike unhealthy artificial nitrates found in processed meat, may be beneficial. In a study published in the January 2011 issue of the journal Nitric Oxide, older adults who ate a nitrate-rich diet got a boost in blood flow to the frontal lobe of their brains—an area commonly associated with dementia. Poor blood flow contributes to age-related cognitive decline. Scientists think that the nitrates’ nitric oxide, a compound that keeps blood vessels supple, helps increase brain blood flow. Another bonus for radishes? One radish has just 1 calorie.

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