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[B] The following conclusions are supported by fair evidence:
Regular aerobic physical activity helps to decrease the symptoms of fibromyalgia (FM) and to increase physical function. A systematic review concludes that moderate intensity aerobic activity performed for at least 20 minutes once a day (or for ten minutes twice a day) on two or three days a week for 12 weeks significantly improves overall sense of well-being and physical functioning. Several controlled studies not included in the