Dementia Risk Higher Among Older Women With Sleep-disordered Breathing

Sleep-disordered breathing among older women that leads to deficient oxygenation of the blood (hypoxemia) raises the risk of their developing dementia or cognitive impairment, compared with other older women, researchers from the University of California, San Francisco, reported in JAMA (Journal of the American Medical Association). As background information, the investigators wrote: "Sleep-disordered breathing, a disorder characterized by recurrent arousals from sleep and intermittent hypoxemia, is common among older adults and affects up to 60 percent of elderly populations...

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