A new study published in Nature Communications by researchers from UCL and University Medical Center Goettingen introduces a blood test using AI to predict Parkinson's disease up to seven years before symptoms. This breakthrough could benefit 10 million people globally with the fastest-growing neurodegenerative disorder.A new study published in Nature Communications by researchers from UCL and University Medical Center Goettingen introduces a blood test using AI to predict Parkinson's disease up to seven years before symptoms. This breakthrough could benefit 10 million people globally with the fastest-growing neurodegenerative disorder.