The topic came up as Clinton discussed golf's forthcoming ban on anchored putting, where the club or hands rest against the body.
The former president spoke about his tremor and negative diagnosis for Parkinson's in 2009 with CNN's Sanjay Gupta.
"If I had Parkinson's, I wanted to know so I could prepare. And I had it tested and the doctor said 'no.' He says it's just a normal aging phenomenon," Clinton said.
The Humana Challenge ends Sunday at the PGA West Palmer course in La Quinta, Calif. CNN reported Clinton's comments Friday.