By Ejaz A. Shamim, M.D., U.S. News and World Report – If you hold your hands in front of your face and examine them closely, you can see them shake ever so slightly. That’s normal. Everyone has some degree of this involuntary trembling, known as a tremor. But for some people, because of changes in the connections in the brain caused by aging, injury, stroke or other neurological disorders – such as multiple sclerosis or Parkinson’s disease – the tremor can become so severe as to leave the person unable to function.
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