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- 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 ...
- 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 ...
- As the heart pumps, arteries, shown here in red, carry oxygen-rich blood away from the heart toward the body's tissues and vital organs. These include ...
- 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 ...
- Atherosclerosis is a disease in which fatty material is deposited on the wall of an artery. Normally, the walls of an artery are smooth, allowing blood ...
- Coping with Agitation, Aggression, and Sundowning in Alzheimer's Disease
(National Institute on Aging) - The force of blood on artery walls is called blood pressure. Normal pressure is important for the proper flow of blood from the heart to the body's organs ...
- Skip to main content Transforming the understanding and treatment of mental illnesses. Search the NIMH Website: Información en español Mental Health Information ...
- A change in the heart’s normal electrical conduction system can result in an arrhythmia, or irregular heartbeat. An arrhythmia can be an abnormally slow ...
(National Institute on Aging) 