Cognitive Fitness

by Roderick Gilkey and Clint Kilts

WINSTON CHURCHILL WAS OUTSPOKEN on the sacred rites of smoking cigars and drinking alcohol before, after, and during meals—and in the intervals in between. But he was also exceptionally active mentally. As historians have duly noted, Churchill went on to live until 90. That speaks volumes for the information that is now coming to light about how the brain can affect the body.

Of course, few executives would be willing to follow Churchill’s example in taking such poor care of their physical health. As life expectancy continues to rise, people are doing more and more to ensure that their lives, if long, are going to be healthy. The American Heart Association now recommends 30 minutes of moderate ...

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