NEW DELHI — Degeneration of dopaminergic neurons is widely accepted as the first event that leads to Parkinson’s. However, a new study has challenged this...

NEW YORK — People with a particular version of a gene involved in immune response had a lower risk of Alzheimer’s and Parkinson’s disease, according...

SAN FRANCISCO — Researchers have confirmed that eye scans powered by artificial intelligence (AI) could detect Parkinson’s disease years before people have symptoms, a new...