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Foods That Fight Colds & the Flu
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Sweet Potatoes do double-duty when it comes to fighting off infection. They're filled with beta-carotene, a powerful antioxidant that transforms into vitamin A, another antioxidant that keeps your skin strong and elastic, which helps keep those harmful bacteria and viruses out of your body.
Try It: Spicy Baked Sweet Potato Fries
Swap It: Other foods rich in these antioxidants include carrots, acorn squash, butternut squash and pumpkin.
Grapefruit is an excellent source of vitamin C, an antioxidant shown to attack free radicals and fight infection. Vitamin C it can lessen the time it takes your body to fight off a cold.