(HealthDay)—The office-based, eight-item Montreal Parkinson Risk of Dementia Scale is a valid predictor of development of dementia, according to a study published online March 26 in JAMA Neurology. Benjamin K. Dawson, from McGill University in Montreal, and colleagues conducted a multicenter study using four diverse Parkinson’s disease cohorts with a prospective 4.4-year follow-up to examine