Parkinson's disease has a symptom of tremors.
Parkinson's disease . Early in the disease , the most obvious are shaking , rigidity , slowness of movement , and difficulty with walking . Evidence for treatments for the non-movement-related symptoms of PD , such as sleep disturbances and emotional problems , is less strong . The disease is named after the English doctor James Parkinson , who published the first detailed description in An Essay on the Shaking Palsy , in 1817 .