Obstructive sleep apnea (OSA) can cause the brain’s gray matter to shrink, leading to cognitive problems in your memory and attention.
The brain defects are linked to intermittent oxygen deprivation, which occurs whenever a person is having an apnea.
An Italian study observed 17 patients with OSA and age-matched controls found a reduction in the gray matter of the OSA group.
Apart from impaired memory and attention lapses, the OSA group also had trouble with abstract reasoning and executive functions.
On a good note, the brain changes are reversible as long as they’re diagnosed at an early stage.
Source: BusinessWeek

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