Canto medalist Judo helps young people through free lessons . More than 1,000 Rio de Janeiro youths are enrolled in his Reaction Institute . Flavio Canto teaches discipline , humility , courage and determination , Reaction Institute says . Do you know a hero ? Nominations are open at Reaction Institute .
Bronze medalist Flavio Canto helps young people through free lessons . More than 1,000 Rio de Janeiro youths are enrolled in his Reaction Institute . Judo teaches discipline , humility , courage and determination , Canto says . Do you know a hero ? Nominations are open at CNN.com/Heroes .