The hands, arms, and face are the most commonly affected areas.

The most commonly affected sites include the feet, hands, and fingers.

Children and adolescents (6 to 25 years) are the most commonly affected.

The brain and lungs are the two most commonly affected organs.

The commonly affected sites are near the wrist and the ankle.

The industries most commonly affected are banking, manufacturing, and government.

The ears are the most commonly affected body part.

The lower third premolar is the most commonly affected tooth.

See a picture of the most commonly affected joints .

Among those commonly affected are the elderly, which may be related to a decline in health associated with aging.