The new photos show the toll the disease took on Muhammad Ali. Fans already knew the physical toll that Parkinson’s disease had taken on Ali’s once-athletic body.

Looking back at Ali's battle with Parkinson's disease 01:57. NEW YORK --The biggest fight of Muhammad Ali's life was his battle with Parkinson's disease.To the trained eye, signs were apparent ...

Michael J. Fox tells PEOPLE that after he went public with his own Parkinson’s diagnosis in 1998 (he was diagnosed in 1991), Ali called and encouraged him to fight on.

One of the most enduring images of Muhammad Ali is him lighting the torch, his arm shaking, at the Atlanta Olympics in 1996. It was a telltale sign of his Parkinson's disease, and he didn ...

Michael J. Fox tells PEOPLE that after he went public with his own Parkinson's diagnosis in 1998 (he was diagnosed in 1991), Ali called and encouraged him to fight on. "He gave a lot of us a model ...

— -- The last portraits ever taken of Muhammad Ali reveal the strength and dignity of a man known as "the Greatest," even after a decades-long battle with Parkinson's disease and a lifetime ...

From his 1996 lighting of the Olympic cauldron, visibly shaking from Parkinson's, to his philanthropical efforts, Muhammad Ali became one of the disease's most famous fighters.

Following his diagnosis Ali was instrumental in raising awareness of the disease and in 1997 he founded the Muhammad Ali Parkinson Centre in Phoenix, Arizona, close to where he lived to provide ...

Muhammad Ali has been called the "world's most famous Parkinson's patient." He was diagnosed with the disease in 1984 when he was just 42-years-old.

Boxing champion Muhammad Ali lived with Parkinson's disease for three decades before his death on Friday (June 3) at the age of 74, and many have wondered whether Ali's boxing career caused him to ...

Laila Ali is sad her father is gone — but she’s relieved that he isn’t suffering anymore. The youngest daughter of boxing legend and global icon Muhammad Ali, who died Friday at t… ...

A study to be released Wednesday of Muhammad Ali's public speaking from 1968 to '81 found that when he was in his early to mid-30s, he began exhibiting signs of slowed and slurred speech, several ...