According to US News Health, exercise, especially complicated activities like tennis and dancing, increases the level of brain chemicals called growth factors which help make new brain cells and establish connections between brain cells to help us learn. Like other muscles, the brain cells need to be stressed in order to grow.
Sandy: That’s encouraging and exactly what I’ve been thinking. How long does it take to see results, though? John and I have been doing those two activities but they didn’t mention they could be marriage threatening activities when one plays Mixed doubles and take ballroom dancing classes with ones spouse. Off we go to one of our two Mixed matches this weekend.
Sandy’s year long journey – going from being a right-hander to left-hander, and Kelly’s parallel trip as a left-hander doing things as a right-hander.