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If You Can Walk This Far In 2 Minutes, Scientists Say You’re Much Smarter Than Average (and Your Brain Is Actually Built a Little Differently)

If You Can Walk This Far In 2 Minutes, Scientists Say You’re Much Smarter Than Average (and Your Brain Is Actually Built a Little Differently)

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Entrepreneurs face considerable mental and emotional challenges, making decisions every day that will hopefully pay off for years to come. 

But what you might not know is that a new study reveals a definite link between physical fitness and improved cognitive function — resulting in improved memory, reasoning, sharpness, and judgment. 

All of which sounds great — especially since you don’t need to be a triathlete in order to experience the benefits of fitness.

First, participants walked (yes walked) as quickly as they could for two minutes. Researchers measured the distance completed. (The mean distances achieved were 660 feet for men, 640 for women — roughly speaking for wearable fitness tracker users, a 16-minute mile or slightly under 4 miles per hour pace.) 

Then they had participants take a variety of cognitive tests. 

It surprised us to see that even in a young population, cognitive performance decreases as fitness levels drop. We knew how this might be important in an elderly population, which does not necessarily have good health, but to see this happening in 30-year-olds is surprising.

This leads us to believe that a basic level of fitness seems to be a preventable risk factor for brain health.

Just as importantly, when the researchers took MRIs of participants they found that “higher (personal fitness) is associated with preserved white matter microstructure and better performance in a wide range of cognitive domains.”

Or in less science-y terms, fitter people have greater white matter integrity. White matter is made up of bundles of myelinated axons that affect learning and brain functions and coordinate communication between different brain regions.

Okay, maybe that wasn’t less science-y. Let’s try again: Fit people’s brains are built a little better — which helps them remember, reason, and decide better.

White matter integrity improves episodic memory (personal experiences.) White matter integrity improves cognitive flexibility, processing speed, and fluid intelligence.

In short, white matter integrity helps you better draw on what you’ve learned in the past to make quicker, smarter decisions in the present.

All from being able to walk a little farther in 2 minutes.

How to Get Started

If you’re out of shape, start exercising more. (Eating well and exercising regularly will also check off 3 items on the Harvard list of 5 daily habits since diet and exercise should naturally reduce your percentage of body fat.)

If you’re starting from zero, start walking for 20 minutes every day. Walk out for 10 minutes, then walk back to your starting point. Over time, try to walk farther on the “out” ten minutes and even on the “back” ten minutes. (Because if nothing else, progress is always fun.) 

Your initial goal: Men, 660 feet or more. Women, 640 feet or more.

Then consider adding other forms of cardio, and maybe even a little strength training. (Again, progress is always fun.)

Both will improve your results on the two-minute walking test.

Not only will you feel better, both physically and mentally, you could also improve your memory, reasoning, decision-making, ability to make connections and draw on past experiences — especially under stress.

Can’t beat that.

The opinions expressed here by Inc.com columnists are their own, not those of Inc.com.

This article is from Inc.com

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