It's most commonly used to treat arthritic joint pain, but can also be used for other conditions like allergic reactions, sports-related injuries, immune system disorders, certain cancers and various other types of inflammatory diseases.

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As many as 3.8 million sports-related traumatic brain injuries mainly concussions occur annually in the U.S., and many either go unreported or don't receive immediate medical attention.

WSJ: Tougher Rules Advised for Athletes After Concussion

Emergency-department visits for sports- and recreation-related brain injuries in children and adolescents have risen by 60% over the past decade, according to the Centers for Disease Control and Prevention.

WSJ: Tougher Rules Advised for Athletes After Concussion

Most of his previous ailments and injuries have been sports-related and even as an octogenarian he has continued to compete in carriage-driving competitions.

BBC: Third night in hospital for duke