brain changes
New Study Links REM Sleep Apnea to Brain Changes and Memory Loss in Older Adults
University of California (UC), Irvine neurobiologists have found a critical link between obstructive sleep apnea during the rapid-eye-movement (REM) stage of sleep and early signs of brain changes associated with cognitive decline. Their study suggests that low oxygen levels—known as hypoxemia—during REM sleep may contribute to injury in brain regions vital to memory, even in ...
Altered Gut Bacteria May Be Early Sign of Alzheimer’s Disease
People in the earliest stage of Alzheimer’s disease—after brain changes have begun but before cognitive symptoms become apparent—harbor an assortment of bacteria in their intestines that differs from the gut bacteria of healthy people, according to a study by researchers at Washington University School of Medicine in St. Louis, MO. The findings, published in Science Translational ...
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