Research01/06/2026 01:15:00 AMMore than one million Americans live with tremors, slowed movement, and speech changes caused by Parkinson’s disease. For many, even everyday actions, such as buttoning a shirt, lifting a mug, or steadying a foot on the first step, become challenging.Office of the President/var/staging/oucampus/suny-downstate/downstate/about/office-of-the-president/presidents-bulletin/2026/01-06/single-neuron-parkinsons.xmlResearchResearch