Alzheimer's disease affects a large number of Americans every year, and research on the causes and possible prevention continues to increase. Alzheimer's disease is a form of dementia that causes problems with memory, thinking, and behavior and is thought to be caused by beta-amyloid plaques that form in the brain. In recent years, dogs have been used more and more as an animal model looking at Alzheimer's disease and cognitive dysfunction. Dogs serve as a reliable animal model because effected dogs naturally form the same beta-amyloid plaques that affected humans do as they age.
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