Famous suffers of Parkinson's disease include the actor Michael J. Fox, boxer Muhammad Ali, and singer Ozzy Osbourne.

On August 6, 1966, Muhammad Ali, who was known as Cassius Clay at the time, put his WBC, NYSAC and Ring Magazine heavyweight ...

Heavyweight champion Oleksandr Usyk celebrates after defeating Daniel Dubois with a fifth-round knockout on July 19. / Richard Pelham / In the aftermath of Oleksandr Usyk’s win over Daniel Dubois ...