It this isn't a cure. "We just like to think that we're able to set the clock back several decades and kind of reset the clock for these patients," said Dr. Mark Alexander, a University of Utah Health Neurointerventional Radiologist The FDA has approved treating the part of the brain that impacts each hand, one at a time. It's made a difference in Janice's right hand. She hopes to get her left hand treated soon. But for now, she is back to doing all the things she couldn't do before. "They told me, they said, you might see 50% improvement. But to me it feels like a 100%."