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Exercising 25 Minutes a Week Increases Brain Volume - and May Slow Memory Decline

"Exercising for 25 minutes a week, or less than four minutes a day, could help to bulk up our brains," reports the Washington Post, "and improve our ability to think as we grow older." A new study, which involved scanning the brains of more than 10,000 healthy men and women from ages 18 to 97, fo...

The differences were most pronounced in parts of the brain involved with thinking and memory, which often shrink as we age, contributing to risks for cognitive decline and dementia... The article notes that the researchers used AI to assess brain scans from 10,125 "mostly healthy adults of all ages who'd come to the university medical center for diagnostic tests... A clear pattern quickly emerged." The differences weren't huge but were significant, said Cyrus A. Raji, an associate professor of radiology and neurology at Washington University in St. Louis, who led the new study, especially when the researchers looked deeper inside the organ.

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