Exercise Can Increase Your Brain Size, Keeping You Mentally Sharp

Exercise can keep your brain sharp has you age. A new study has shown that a program of exercise can, over the course of a year, increase the size of your hippocampus, a part of the brain key to memory and spatial navigation.

The hippocampus often shrinks in late adulthood, leading to memory impairment.

According to the Los Angeles Times:

"To complete the study, the team recruited 120 older people who didn't exercise regularly. Half were randomly assigned to an aerobic exercise program ... The group doing aerobic exercise had increases in hippocampus volume: up 2.12 percent in the left hippocampus, and 1.97 percent in the right hippocampus."

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