ZOE Science & NutritionHow to tell if your poo is normal and the 5 warning signs you shouldn't ignore | Dr Trisha PasrichaDoes Parkinson’s Begin In Gut?
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She explains emerging evidence that, for a subset of patients, Parkinson’s may start in the gut with misfolded alpha-synuclein triggered by infections, chemicals, or gut lining damage, then traveling up the vagus nerve to the brain.