Alzheimer's disease

Epic card · No. 3543

Alzheimer's disease (AD) is a neurodegenerative disease and is the most common cause of dementia, accounting for around 60–70% of cases. The most common early symptom is difficulty in remembering recent events. As the disease advances, symptoms can include problems with language, disorientation (including easily getting lost), mood swings, loss of motivation, self-neglect, and behavioral issues. As a person's condition declines, they often withdraw from family and society. Gradually, bodily functions are lost, ultimately leading to death. The median life expectancy following diagnosis of dementia is three to twelve years. Co-occurring movement disorder, also known as extrapyramidal signs, multiplies risk of death by 1.6. The causes of Alzheimer's disease remain poorly understood. There are many environmental and genetic risk factors associated with its development. The strongest genetic risk factor is from an allele (genetic variant) of apolipoprotein E, a protein involved in the metabolism...

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