BREAK A SWEAT AND IMPROVE YOUR MOOD!!

YOUR BRAIN ON CARDIO

Anyone who has ever tackled a StairMaster has a pretty good idea of what happens to your body when you break a sweat. But here’s what’s going on in your head at the same time: All that extra blood bathes your brain cells in oxygen and glucose, which they need to function. The more they get, the better they perform.

 

Every muscle you move also sends hormones rushing to your brain. There, they mix with a chemical called brain-derived neurotrophic factor, or BDNF, which plays a role in brain cell growth, mood regulation, and learning. “BDNF is like fertilizer for the brain,” says John J. Ratey, Ph.D., a clinical associate professor of psychiatry at Harvard Medical School. “Without it, our brains can’t take in new information or make new cells.”

 

Exercise has another vital role: It signals the release of several key hormones, including serotonin, the famed mood booster; dopamine, which affects learning and attention; and norepinephrine, which influences attention, perception, motivation, and arousal. This exercise-induced chemical cocktail has a powerful impact. “By elevating neurotransmitters in the brain, it helps us focus, feel better, and release tension,” Ratey says.

 

Experienced regularly, all that rushing of blood and hormones primes your brain to grow. In one study, researchers scanned the brains of people who exercised for one hour per day, three days a week, for a duration of six months. They discovered an increase in the size of the hippocampus, the part of the brain that controls memory and learning. Working out literally bulked up the study participants’ brains, allowing them to perform better at tasks that require concentration and recall ? two talents that come in handy if, say, you do your own taxes or tend to forget passwords.

 

“Exercise improves attention, memory, accuracy, and how quickly you process information, all of which helps you make smarter decisions,” says Charles H. Hillman, Ph.D., an associate professor of kinesiology and community health at the University of Illinois at Urbana-Champaign.

 

 

THE MENTAL ADVANTAGE

People who exercised during their workday were 23 percent more productive on those days than they were when they didn’t exercise, says a recent study from the International Journal of Workplace Health Management. And the majority of the study participants (72 percent) did aerobic workouts.

 

A pulse-pounding workout acts like a cup of coffee (minus the jitters): Your heartbeat picks up, your circulation increases, you’re filled with energy, and your thinking becomes clearer and sharper. What’s more, a study published in Brain and Cognition found that after just 30 minutes of doing an easy half-hour bike ride, subjects completed a cognitive test faster than they did before exercising… and just as accurately. And the brain-boosting effect lasted for at least 52 minutes after the ride.

 

Use this cardio-induced clarity to your advantage by timing your daily sweat sometime before you punch the clock, on your lunch break, or prior to a demanding task like a big meeting (just don’t skip the post-workout shower!).

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