To lose weight, should you be on a low-fat diet or a low-carbohydrate diet? It probably doesnt matter as long as you focus on the quality of the foods you eat. Arthritis is a major cause of pain and disability, affecting an estimated 54.4 million adults in the United States. Yoga is a mind and body practice that combines breathing, meditation and motion. It has become increasingly popular as a way to manage stress and reduce pain.