Parkinson’s disease may start in the gut and spread to the brain via the vagus nerve, according to a study. The vagus nerve extends from the brainstem to the abdomen and controls unconscious body processes like heart rate and food digestion.
Parkinson’s disease may start in the gut and spread to the brain via the vagus nerve, according to a study. The vagus nerve extends from the brainstem to the abdomen and controls unconscious body processes like heart rate and food digestion.