Alzheimer 's Disease : Disease Essay

1153 Words May 18th, 2016 5 Pages
In 2015, there were approximately 48 million people worldwide with AD. It most often begins in people over 65 years of age, although, 4% to 5% of cases are early-onset Alzheimer’s, which begin before this. It affects about 6% of people 65 years and older. It was first described by, and later named after, German psychiatrist and pathologist, Alois Alzheimer in 1906. ( In 1906, Alzheimer gave a lecture that made him famous. Alzheimer identified an “unusual disease of the cerebral cortex” which caused a woman in her fifties memory loss, disorientation, hallucinations, and ultimately her death when she was only 55. The autopsy of the brain showed various abnormalities; such as the cerebral cortex was thinner than normal and senile plaque, previously only encountered in elderly people, was found in the brain along with neurofibrillary tangles. Alois Alzheimer had access to a new stain and was able to identify the nerve tangles which had never previously been seen.
Alzheimer’s disease accounts for 60% to 70% of cases of dementia. As the disease advances, symptoms can include problems with language, disorientation, mood swings, loss of motivation, not managing self-care, and behavioral issues. Although, the speed of progression can vary, the average life expectancy following diagnosis is eight to ten years.( The cause of Alzheimer’s disease is poorly…

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