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Dementia impacts almost 10% of older adults in the U.S. While scientists haven’t pinpointed exactly what causes it, research is slowly identifying new factors, like diet, that may play a role in ...
The hallmark symptom of LATE is a progressive memory loss that predominantly affects short-term and episodic memory. [1] This impairment is often severe enough to interfere with daily functioning and usually remains the chief neurologic deficit, unlike other types of dementia in which non-memory cognitive domains and behavioral changes might be noted earlier or more prominently. [1]
The incidence of dementia increases exponentially with age, doubling with every 6.3-year increase in age. [274] Dementia affects 5% of the population older than 65 and 20–40% of those older than 85. [280] Rates are slightly higher in women than men at ages 65 and greater. [280]
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]
Older adults who have experienced a traumatic injury after a fall are 21 percent more likely to later receive a diagnosis of Alzheimer’s disease or another related dementia, a new study indicates.
Mild cognitive impairment (MCI) may be caused due to alteration in the brain triggered during early stages of Alzheimer's disease, to other causes, or to a combination of causes. [14] [15] Brain damage, brain injury, delirium and prolonged substance abuse can cause MCI. HIV-associated neurocognitive disorder can cause MCI. Risk factors of both ...
Early onset dementia is less common than late onset dementia, the former accounting for approximately 10% of dementias globally. [3] Recent studies estimate the prevalence of early onset dementia to be approximately 3.55 million people aged 30–64 worldwide, and will triple by 2050. [7] with an incidence of 119 per 100,000 individuals. [1]
Posterior cortical atrophy (PCA), also called Benson's syndrome, is a rare form of dementia which is considered a visual variant or an atypical variant of Alzheimer's disease (AD). [ 1 ] [ 2 ] [ 3 ] The disease causes atrophy of the posterior part of the cerebral cortex , resulting in the progressive disruption of complex visual processing . [ 4 ]
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