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Raspberries, Strawberries, and Blackberries

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These berries contain phytochemicals known as anthocyanins, which may offer a benefit. "Anthocyanins stop inflammatory compounds in their tracks," says Sandon.

In one study, animals treated with red-raspberry extract were less likely to develop arthritis and less likely to have severe arthritis if they did develop the condition. There was also a protective effect on cartilage. Anthocyanins are responsible for the vibrant blue, red and purple colors seen in a variety of berries.

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