We have two little dogs that need to be walked a lot, four times a day; one is elderly, the second is middle aged but has a common anal sac problem that is helped by frequent walks. The walks are for our doggies’ health – but, it turns out, they help mine as well. And those ab crunches I do in the gym –  well, my brain welcomes them as …a kind of trip to the car wash.

On May 1, Science Daily reports: “Scientists have uncovered a surprising link between simple body movement and brain health: every time you tighten your abdominal muscles—even slightly—your brain may gently sway inside your skull. This........

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