With Parkinson’s disease clinicians have long noted that the presence of tremors, rather than balance and walking problems is the initial or dominant symptom and hypothesize this may even suggest slower progression of the disease.  On top of this, it is also unclear why some patients present with more tremor as opposed to walking/balance difficulties. Now, researchers led by the University of Pennsylvania have uncovered a … Continue reading Human study identifies genetic variation for type and rate of physical decline Parkinson’s disease.