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The waste-disposal system in a cell can spread harmful protein aggregates between neurons in the brain in Alzheimer's disease. The spread can be reduced in experiments in cultivated cells. The discovery may help the development of new diagnostic methods, and…
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A new study indicates that patients with high blood pressure are at a higher risk of developing dementia. This research also shows (for the first time) that an MRI can be used to detect very early signatures of neurological damage…
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People who smoke or have diabetes may be at increased risk of calcifications in a region of the brain crucial to memory, according to a new study.
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The rate of decline in certain aspects of memory may be explained by a combination of overall physical fitness and the stiffness of the central arteries.
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Reversing memory deficits and impairments in spatial learning is a major goal in dementia research. A lack of knowledge about cellular pathways critical to the development of dementia has prevented significant clinical advance. Researchers are breaking through that barrier. They…
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Macrophages, large white blood cells that engulf and destroy potential pathogens, harbor active viral reserves that appear to play a key role in impaired learning and memory in mice infected with a rodent version of HIV.
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For more than 20 years, much of the leading research on Alzheimer's has been guided by the 'amyloid hypothesis.' But with a series of failed clinical trials raising questions about this theory, some researchers are looking for deeper explanations into…
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Dementia, in any form, is a heartbreaking disease that can take away one's thinking and judgement abilities before they pass. To save face, people with dementia often pretend to know answers to questions, even if they really don't. This often…
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Short and long daily sleep duration were risk factors for dementia and premature death in a study of Japanese adults aged 60 years and older.
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Research has found that some of the genes affected by alcohol and inflammation are also implicated in processes that clear amyloid beta -- the protein that forms globs of plaques in the brain and which contributes to neuronal damage and…
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Innovative new technology will enable people with dementia to receive round the clock observation and live independently in their own homes, a new study reports.
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The creation of a map of the molecular network in the aging brain reveals two new Alzheimer's disease target genes.
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Recent studies have shown that SuperAgers have less evidence of brain atrophy, have thicker parts of the brain related to memory, and lower prevalence of the pathological changes associated with Alzheimer's disease. Now, a study suggests that having resilient memory…
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Hormones affect just about everything that goes on in a woman's body, from reproductive function and sexual libido to weight gain and overall mood. A new study shows how, in the right dosage and combination, hormones also may slow cognitive…
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Activation of the immune system by an infection may temporarily disrupt formation of long-term memories in healthy, aging rats by reducing levels of a protein required for brain cells to make new connections, suggests new research.
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Researchers look at the promising role played by the BMI1 gene, which could someday help mitigate or even reverse the disease.
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The tendency of people with dementia to wander and become lost has led researchers to recommend a 'Silver Alert' system, similar to Amber Alerts for missing children, be activated when someone with the diagnosis of dementia is reported lost.
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Psychologists have found a link between depression and an acceleration of the rate at which the brain ages.
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New research has found that young people with subtle hearing loss -- the kind they aren't even aware of -- are putting demands on their brains that typically wouldn't be seen until later in life.
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Lifetime risks of developing Alzheimer's disease dementia vary considerably by age, gender and whether any signs or symptoms of dementia are present, according to a new study.
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