Alzheimer’s Society Explains the Details of the Disease
This video from the Alzheimer’s Society explains that Alzheimer’s disease is the most common cause of dementia. It occurs when abnormal deposits of plaque and tangles — made up of two key proteins, amyloid and tau — occur in the brain.
Plaque and tangles begin to damage nerve cells in the brain and cause them to die, which over time, can lead to cognitive impairment. The hippocampus area of the brain is often the first to be affected by Alzheimer’s disease. This is the area where memories are formed, and damage to this area leads to one of the classic symptoms of the disease: short-term memory loss.
As the disease progresses, more of the brain is affected by the plaques and tangles. Patients will then begin to present other symptoms of the disease such as long-term memory loss and mood swings.
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