Aerobic fitness is probably the best, but some studies have shown benefits from resistance training. Stretching – used as a control at times – has not shown any benefit. In terms of duration and effort, the best evidence seems to be for what's called a dose-response curve: That is, any exercise is beneficial. If you are physically active your whole life, it is predictive of better cognitive abilities later in life.
This Year's Best Gear
From toys and tools to gadgets and four-wheel fun, we give you the rundown of the most exciting new goods.
Plus: A Look Inside the Global Ivory Trade
ON NEWSSTANDS NOW
Sign up to receive the Men’s Journal newsletter and special offers from MJ and its marketing partners.