Abstract
Alzheimer’s disease (AD) is an inevitable neurological disorder in which the death of brain cells causes memory loss and cognitive decline and ultimate dementia. It’s the foremost common cause of dementia in people of 65 years and older. It was first described by a neurologist Alois Alzheimer in 1906. This review article gives an account on the various symptoms from pre-dementia to severe Alzheimer’s dementia. The Alzheimer’s disease is caused by the pathogenesis by accumulation of toxic amyloid-? plaques (A?) and Hyper phosphorylated tau (p-tau). The greatest risk factors for late onset Alzheimer’s are age, genetics, family history and non-genetic factors (heart health, life style modifications, and environmental changes). The diagnosis of AD advances in genetics, the event of biomarkers of neuro degeneration and neuroimaging discovery utilizes the method to detect AD. The medication use to treat AD is acetyl cholinesterase inhibitors and N-methyl D aspartate antagonists and various drugs are under clinical trials.
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