IMPORTANT INFORMATION ABOUT UNKNOWN SYMPTOMS THAT AFFECT 1 in 4 PARKINSONS PATIENTS. If you or someone you know has Parkinsons disease, this video contains Parkinsons expert Bernard Ravina, MD, from the Univ. of Rochester, talking about the hidden side of Parkinson’s disease - one that no one talks about and very few are aware of. Having this knowledge could be life changing fo…