Burrill Bernard Crohn Burrill Bernard Crohn Burrill Bernard Crohn (June 13, 1884 – July 29, 1983) was an American gastroenterologist and made the first major advance to identify the disease that now bears his name. Although the description of Crohn's disease is by far his most famous accomplishment, Crohn had a long career both as a clinician, and as a researcher who contributed to modern understanding of many gastrointestinal conditions. Crohn received his bachelor's degree from City College of New York in 1902. He received a medical degree from Columbia University College of Physicians and Surgeons in 1907. Crohn first became an intern
Signs and symptoms of Parkinson's disease Signs and symptoms of Parkinson's disease Signs and symptoms of Parkinson's disease are varied. Parkinson's disease affects movement, producing motor symptoms. Non-motor symptoms, which include dysautonomia, cognitive and neurobehavioral problems, and sensory and sleep difficulties, are also common. When other diseases mimic Parkinson's disease, they are categorized as parkinsonism. Four motor symptoms are considered cardinal in PD: slowness of movement (bradykinesia), tremor, rigidity, and postural instability. Typical for PD is an initial asymmetric distribution of these symptoms, where in the course of the disease, a gradual progression to bilateral symptoms develops, although some asymmetry usually persists. Other motor symptoms include