Obstructive sleep apnea linked to increased risk of dementia, Study finds
According to recent research, investigators have found that obstructive sleep apnea (OSA) has been linked to an increase in a protein, called beta-amyloid, that builds upon the walls of the arteries in the brain and in turn, increases the risk of dementia.
OSA is a common sleep disorder, affecting about 1 billion people worldwide and is caused by the collapse of the airway during sleep, resulting in intermittent dips in oxygen levels and arousals from sleep. The OSA group recorded a higher amyloid burden, poorer sleep efficiency and less time spent in stage N3 sleep (a regenerative period where your body heals and repairs itself).
Few studies have cross-sectionally examined whether clinically-confirmed OSA is associated with a higher brain amyloid burden.
Therefore, Jackson, Melinda L, and associates from the Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Australia conducted the present study to compare brain amyloid burden in individuals with untreated OSA and healthy controls, and explore associations between amyloid burden and polysomnographic and subjective measures of sleep, demographics, and mood.
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