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Alzheimer's disease (AD) is a neurodegenerative disease that usually starts slowly and progressively worsens. [2] It is the cause of 60–70% of cases of dementia. [2] [15] The most common early symptom is difficulty in remembering recent events. [1]
The exact cause of Alzheimer’s disease has long evaded scientists, but experts typically suggest there are likely several factors (like genetics, environment, and lifestyle) that contribute to ...
Alzheimer’s disease is the most common form of dementia, which is a general term for the loss of memory and intellectual abilities. Alzheimer’s disease is fatal and there is no cure.
Alzheimer's disease (AD) is a chronic neurodegenerative disease that results in the loss of neurons and synapses in the cerebral cortex and certain subcortical structures, resulting in gross atrophy of the temporal lobe, parietal lobe, and parts of the frontal cortex and cingulate gyrus. [14]
Other common causes include vascular dementia, dementia with Lewy bodies, frontotemporal dementia, and mixed dementia (commonly Alzheimer's disease and vascular dementia). [ 2 ] [ b ] [ 70 ] Less common causes include normal pressure hydrocephalus , Parkinson's disease dementia , syphilis , HIV , and Creutzfeldt–Jakob disease .
New drugs for early Alzheimer’s disease may allow people to live without help for up to 39 additional months, a new study estimates. But experts urge caution. ... Lecanemab can cause allergic ...