[rael-science] Exercise Makes You Smarter‏

วันศุกร์ที่ 2 พฤศจิกายน พ.ศ. 2555

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Source: http://www.genengnews.com/gen-news-highlights/exercise-makes-you-smarter/81247553/

Exercise Makes You Smarter

Exercise Makes You Smarter
Yet another reason to get moving: exercise can increase cognitive functioning by boosting blood flow to the brain. 
    Getting off that couch and doing some exercise could make you smarter as well as healthier, researchers claim. Canadian researchers at the Montreal Heart Institute and the Montreal Geriatric University Institute put a group of six inactive, middle-aged overweight subjects through a program of high-intensity interval training just twice a week, for four months.
    At the end of the training period not only had the participants lost weight and fat, and increased their exercise capacity, but their cognitive functions improved in direct proportion with fat loss and exercise capacity, too. It seems the increase in blood flow to the brain that accompanies exercise can directly boost brain function.
    “Our participants underwent a battery of cognitive, biological, and physiological tests before the program began in order to determine their cognitive functions, body composition, cardiovascular risk, brain oxygenation during exercise, and maximal aerobic capacity,” explains MHI’s Amil Nigam, M.D. Cognitive tests included things like remembering pairs of numbers and symbols. “After the program was finished, we discovered that their waist circumference and particularly their trunk fat mass had decreased. We also found that their VO2 max insulin sensitivity had increased significantly, in tandem with their score on the cognitive tests and the oxygenation signals in the brain during exercise.”
    Blood flow to the brain increases during exercise, and people who do exercise say they feel sharper, notes Martin Juneau, director of prevention at the MHI. “Now we’ve found a way to measure that.” And although a decline in cognitive function is a normal part of aging, “its reassuring to know that you can at least partially prevent that decline by exercising and losing weight.”
    The Montreal team’s studies are being presented at the Canadian Cardiovascular Congress 2012.
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"Ethics" is simply a last-gasp attempt by deist conservatives and
orthodox dogmatics to keep humanity in ignorance and obscurantism,
through the well tried fermentation of fear, the fear of science and
new technologies.
 
There is nothing glorious about what our ancestors call history, 
it is simply a succession of mistakes, intolerances and violations.
 
On the contrary, let us embrace Science and the new technologies
unfettered, for it is these which will liberate mankind from the
myth of god, and free us from our age old fears, from disease,
death and the sweat of labour.
 
Rael
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