Older adults who nap at least once for more than an hour a day have a 40% higher chance of developing dementia.
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While longer naps are a normal part of aging, excessively long dozes could be a warning signal for cognitive decline.
Our research suggests the multiplication of protein aggregates in individual regions of the brain, rather than their spread between regions, is key to the progression of Alzheimer’s disease.
Dana Gasby, left, interacts with her mother B. Smith in their East Hampton home on Long Island, New York, on Wednesday, January 9, 2019. B. Smith has Alzheimer’s Disease.
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A blood test to detect Alzheimer’s disease in people who have symptoms and even those who don’t has been shown to work. Scientists still need to improve its accuracy rate to almost 100%, however.