Cold and Flu Prevention Center
Superfoods That Fight Colds
Trying to avoid colds and flu? From oysters to sweet potatoes, these foods can help.
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Blueberries
These antioxidant powerhouses are bite-sized immunity boosters, especially when they grow in the wild. In 2007, Cornell University scientists found that wild blueberries contained the most active antioxidants of any fresh fruit, thanks to their high levels of anthocyanins—one of the most potent antioxidants.
Next: Dark chocolate
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