Boxing has surged in popularity in recent years as a mainstream fitness activity, with many gym chains and health clubs offering classes and equipment for those interested in taking up the sport.

A new gym in Chicago's south suburbs offers boxing as therapy, with people learning jabs and uppercuts to take on a mighty foe — addiction to alcohol and drugs. The boxing gym was started by one ...

STATEN ISLAND, N.Y.— Tucked inside an unassuming warehouse behind a car wash in the heart of Tottenville, Hard Knocks Boxing Gym is home to state-ranked fighters, a trainer with Hollywood credentials ...