health September 24, 2024 6:26 pm What is Parkinson's disease? Parkinson’s disease is a progressive movement disorder of the nervous system that weakens nerve cells and leads to symptoms, including problems with movement, tremor, stiffness and impaired balance. US & World Videos 0:58 NASA astronaut shares remarkable view of Hurricane Milton from space 1:21 FEMA counters ‘dangerous' misinformation: We have the resources to respond to Hurricanes Helene and Milton 1:36 FEMA issues ‘life or death' evacuation warning ahead of Hurricane Milton 0:45 WATCH: Traffic on I-75 in Florida as people evacuate ahead of Milton 1:26 NOAA shows how they fly through hurricanes to gather data