The Gut-Brain Highway
The vagus nerve, a bundle of fibers that originates in the brain stem and innervates major organs, including the gut, may be the primary route through which pathological triggers of Parkinson’s travel from the gastrointestinal tract to the brain. Recent epidemiological examinations of vagotomy patients whose vagus nerves were severed show that they have a lower risk of developing Parkinson’s. Researchers have also demonstrated that alpha-synuclein fibers, injected into the gastrointestinal tracts of rodents, can traverse through the vagus into the brain.
And another reason to cut your carbs-----
The Startling Link Between Sugar and Alzheimer’s