In a month's time, top heavyweight fighter Muhammad Ali -- the former Cassius Clay -- starts his campaign to regain the world heavy-weight crown with a bout against Jimmy Ellis. But Ali is already looking further ahead. He's just announced a plan to fight to raise money for medical research.

Ali wants to help physicians deliver a knock-out blow to a disease called Sickle-Cell Anemia, which occurs almost exclusively in negroes. He talked to an interviewer about his ideas for raising money for this cause: