French scientists are exploring a new method to treat Parkinson's disease by using light to stimulate damaged nerve cells. Researchers from Grenoble University Hospital reported early progress, suggesting potential breakthroughs in treatment. The study focuses on dopamine-secreting neurons, which are significantly affected by the disease. Preliminary results from seven patients indicate a slowdown in symptom deterioration, with further trials contingent on stable effects. Teljes cikk (Euronews.com)