Devil's Claw is an anti-imflammatory and can be used to treat the swelling caused by arthritis. This herb is to be taken by mouth in pill form, follow the instructions on the label.
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Lemon juice is high in vitamin c, reduces the acidity levels in the body, and is a powerful fruit in improving the body's resistance to infection. For the treatment of arthritis, one lemon a day sqeezed pure or diluted with water will do the trick.