As previously stated in my earlier post here that aerobic exercise improves memory in the elderly.
Here’s more evidence:
“To learn more about how exercise affects the brain, scientists in Ireland recently asked a group of sedentary male college students to take part in a memory test followed by strenuous exercise.”
“Notably, the exercised volunteers performed significantly better on the memory test than they had on their first try, while the volunteers who had rested did not improve.”
Read more at How Exercise Benefits the Brain in the New York Times.