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(HealthDay News) -- Arthritis can't always be prevented, but you can take steps to keep joints healthier and moving freely.

The U.S. Centers for Disease Control and Prevention offers these suggestions:

• Exercise regularly. Aim for at least 30 minutes of exercise at least three days each week.
• Maintain a healthy body weight, as being overweight can increase your risk of developing arthritis.
• If you have any signs or symptoms of arthritis, see your doctor promptly to begin early treatment.
• Do your best to protect joints from injury. Be careful when playing sports, and avoid repetitive bending of the joints.