Below is an instruction from Human. Write a response.
    ### Instruction:
    what research (or clinical trials) is being done for Tremor ?
    ### Response:
    The National Institute of Neurological Disorders and Stroke, a unit of the National Institutes of Health (NIH) within the U.S. Department of Health and Human Services, is the nations leading federal funder of research on disorders of the brain and nervous system.
    