Study Finds Chronic Digestive Issues, Constipation, and Nausea May Indicate Parkinson`s Disease Zee NewsParkinson’s may begin in the gut, study says, adding to growing evidence The Washington PostUpper GI Damage Linked to 76% Higher Parkinson’s Disease Risk Neuroscience NewsUlcers, damage to upper gastrointestinal tract linked to increased risk of Parkinson’s disease Medical XpressA Systems Approach To Parkinson’s Disease Life Science Leader Magazine Study Finds Chronic Digestive Issues, Constipation, and Nausea May Indicate Parkinson`s Disease Zee NewsParkinson’s may begin in the gut, study says, adding to growing evidence The Washington PostUpper GI Damage Linked to 76% Higher Parkinson’s Disease Risk Neuroscience NewsUlcers, damage to upper gastrointestinal tract linked to increased risk of Parkinson’s disease Medical XpressA Systems Approach To Parkinson’s Disease Life Science Leader Magazine Top stories – Google News