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( new mitochondria in brain cells )

The effect of exercise on the brain has become a hot topic in research circles. Many recent studies have revealed a link between active living and improved memory.

How can exercise improve memory? Irish scientists may have come up with the answer in a study published last fall in the journal Physiology & Behavior. Male college students took a memory test and then one half of the volunteers rode an exercise bike until they were exhausted, while the other half sat idle. Both groups took the test again. The bike riders did much better, while those who rested showed no improvement. Those who exercised were found to have increased levels of a protein called brain-derived neurotrophic factor, which promotes the health of nerve cells.

In a 2010 study published in the Proceedings of the National Academy of Sciences, researchers from the University of Cambridge and the National Institute on Aging in Baltimore, Md., found that mice that had access to a running wheel performed nearly twice as well on memory tests than mice with no access. Moreover, the running mice were found to have grown an average of 6,000 new brain cells per cubic millimetre in the hippocampus, which researchers hypothesized was due to the fact exercise increases blood flow to the brain. Continue to read: theglobeandmail.com

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Soy protein shows brain boosting benefits

Peptides from soybeans may influence the immune system and hormones linked to emotion, and ultimately boost brain function, according to a new Sino-Japanese study. Read more: nutraingredients-usa.com

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