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Only a few centuries ago, it seemed fanciful that a physical organ, the brain, could control activities such as thinking and feeling. We now know that this amazing biological machine made up of roughly 86 billion neurons and trillions of nerve circuits is the command center for many of the body's vital processes.  It is also central to chronic conditions including mental illness, addiction and movement disorders.

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Alzheimer’s Disease

NIH research has generated a much better understanding of brain function, risk factors, treatment, and prevention.

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Traumatic Brain Injury (TBI)

Concussions are among the mildest forms of TBI, bur Â鶹´«Ã½ research is showing that cumulative damage over time from concussions may be especially harmful. 

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Parkinson’s Disease

NIH research has led to discoveries about how the brain controls movement and to a procedure known as deep brain stimulation (DBS). DBS improves symptoms of Parkinson’s disease by electrically stimulating brain cells in areas of the brain that control movement, using implanted electrodes. 

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Mental Health

Using research to gain a better understanding of these complex interactions will guide the development of personalized strategies for diagnosing, treating, and preventing these debilitating disorders. 

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