Health Gut microbiome changes signal early Parkinson’s risk in GBA1 carriers years before symptoms by Dr Natalie Singh - Health Editor April 22, 2026 by Dr Natalie Singh - Health Editor April 22, 2026 A study published in Nature Medicine has found that changes in the gut microbiome may signal proximity to Parkinson’s disease years before symptoms appear, offering a potential early detection tool. … 0 FacebookTwitterPinterestEmail