How could sleep apnea heighten cognitive decline risk?

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A new study links sleep apnea to changes in key brain regions related to memory. Image credit: Maskot/Getty Images.
  • About 936 million adults around the world have sleep apnea.
  • Past studies show that sleep apnea can increase a person’s risk for several conditions, including neurological diseases such as Alzheimer’s disease.
  • Researchers from the University of Miami have found that people with sleep apnea may have an enlarged hippocampus, which is the area of the brain responsible for memory and learning.
  • Scientists also report that people with lower oxygen levels as they sleep experienced alterations to the white matter of the brain, which is traditionally linked to brain issues as we age.

Researchers estimate that about 936 million adults globally have sleep apnea — a condition where a person…

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