@CNN: Worried about your aging brain? Simply walking or cycling just three times a week seems to improve thinking skills, new research says. Add a heart-healthy diet, and you maximize the benefits, possibly shaving years off your brain’s functional age. https://t.co/2fGdtOAIGn

@CNN: Worried about your aging brain? Simply walking or cycling just three times a week seems to improve thinking skills, new research says. Add a heart-healthy diet, and you maximize the benefits, possibly shaving years off your brain’s functional age. https://t.co/2fGdtOAIGn