Alzheimer's disease is a type of dementia, causing confusion and memory loss severe enough to interfere with everyday life.
Parkinson’s disease is a chronic, progressive disease that affects the central nervous system, which controls muscle movement and monitors organ function.
Stroke, a blockage of blood flow to the brain, can cause symptoms ranging from barely noticeable to disabling to death. Fast treatment is vital.
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A brief episode in which blood flow to the brain is temporarily blocked.