Longtime Muhammad Ali promoter Bob Arum discusses Ali's battle with Parkinson's disease and reveals ... This is an excerpt of WSJ's Lee Hawkins's full interview with Arum.

Then it turned into he had Parkinson’s disease. We didn’t really know at the time but then it started getting worse and worse.” Muhammad Ali walked away from the sport aged 39 after defeat ...

the disease has also claimed the lives of other members of Muhammad Ali Jr’s family. “My mother’s father died of Parkinson’s on June 2 2017 and my uncle Rahaman – my father’s brother ...