Patrick Green loves to golf. The western Lake Worth, Florida, man has played all around the world.But a few years ago, his health did more than just threaten his golf game: It threatened everything about his life."One day, a little twitch in my thumb showed up. I was like, 'That’s weird that my thumb just twitches.' And then it went to this, and then it went to this," Green said, showing his entire right arm shaking uncontrollably.Shortly after, Patrick was diagnosed with Parkinson’s disease.He found just bringing drinks to his wife at a restaurant could be a challenge."The shaking took over, and I spilled it all over somebody’s table," Green said. "And they said, 'Well, set it down!' And I said, 'I can't! I can't set it down!' I just got so embarrassed."Green talked to several doctors before meeting neurologist Arif Dalvi and neurosurgeon Lloyd Zucker at Delray Medical Center.They introduced him to a procedure called deep brain stimulation, or DBS.It’s essentially a pacemaker inserted under the skin in Green’s chest."It’s very much like a heart pacemaker, same size, same shape," said Dalvi. "Except the wire doesn’t go to the heart. It is tunneled underneath the skin and into the brain."And Dalvi said that wire is able to control Green’s tremors. Dalvi and Green gave a demonstration for sister station WPBF in West Palm Beach.Green held his arms out in front of his body to show there were no tremors. Dalvi then used a computer to turn off the pacemaker.Within seconds, Green’s entire right arm began to shake wildly. Dalvi turned the pacemaker back on, and the tremors stopped almost immediately."I've done this for 20-some years. Even today, it's an emotional experience," Dalvi said."After the first programming, it was like, 'Wow, I don’t have to shake anymore,'" Green said. "I can actually look normal.""It never gets old," Zucker said.And Zucker added DBS helps with other symptoms, too."The tight muscles, the problems with balance, the emotional struggles," he said. "These are things that are not obvious on the outside."Green had his pacemaker installed in October. Once the tremors were gone, his first thought was to grab a golf club."It helps with the putting stroke a lot," Green said with a laugh.It also helps him be a father to his three children and be a grandfather to his two grandkids."It’s not obvious I have Parkinson’s anymore," he said.