A simple blood test could spot Parkinson’s years before symptoms

Researchers led by a team at Chalmers University of Technology in Sweden have identified biological markers that appear in the earliest stages of Parkinson's disease, before major damage occurs in the brain. These early changes leave detectable traces in the blood, but only for a short time. The findings highlight a critical opportunity to both diagnose the disease earlier and explore treatments while the brain is still largely intact. The researchers believe blood tests based on t...