Besides a slimmer waistline, here's another reason to lace up your running shoes, take a bike ride or dive into the pool: aerobic exercise makes you smarter.
Several studies, including one at the University of Applied Sciences in the Netherlands, have found physical activity that gets your heart pumping (not just weight lifting or other low-impact exercises) increases endurance and intelligence.
Mice who raced on the treadmills showed evidence of molecular changes in several portions of their brains when viewed under a microscope, while the voluntary wheel-runners had changes in only one area.
Skipping out on the gym doesn't sound like such a bright idea now does it?
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