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  1. A plaque is an abnormal cluster of protein fragments. Such clusters can be found between nerve cells in the brain of someone with Alzheimer. A microscope ...
  2. Skip navigation An official website of the United States government Here’s how you know Here’s how you know Official websites use .gov A .gov website belongs ...
  3. Athetosis is a condition marked by constant writhing movements. It's often caused by injury to basal ganglia. These are structures found deep within the ...
  4. Health Videos: MedlinePlus Video (National Library of Medicine)  
    Skip navigation An official website of the United States government Here’s how you know Here’s how you know Official websites use .gov A .gov website belongs ...
  5. Allergens, like pollen, are nothing more than foreign plant antigens. When they get released into the air, you can see and hear the result.When allergens ...
  6. The nervous system enables a person to blink to prevent harmful substances, like smoke from getting in the eyes. During the normal course of a day, a ...
  7. Caring for Your Mental Health Video From the National Institutes of Health (National Institute of Mental Health)  
    Skip to main content An official website of the United States government Here’s how you know Here’s how you know Official websites use .gov A .gov website belongs ...
  8. The brain is composed of more than a thousand billion neurons. Specific groups of them, working in concert, provide us with the capacity to reason, to ...
  9. Peripheral Neuropathy: What We Want You to Know Video (Foundation for Peripheral Neuropathy)  
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