People who exercise at middle age might have bigger brains later on

Story highlights

  • Poor physical fitness in middle age might be tied to a smaller brain, researchers found
  • Health choices made in middle age have consequences many years later, a researcher said

(CNN)Poor physical fitness in middle age might be associated with a smaller brain size later on, according to a study published in an online issue of Neurology.

Brains shrink as people age, and the atrophy is related to cognitive decline and increased risk for dementia, a researcher said, and exercise reduces that deterioration and cognitive decline.
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