It is already a well-established fact that exercise can have great effects on one’s brain. It helps in sharpening the mind and also helps in reducing the risk of age-related diseases such as dementia. It seems that those who do not exercise that much could also get the same positive effects for their brains, by getting blood from physically active ones. Such is the case for these mice.
This effect, traced to a specific liver protein in the blood, could point the way to a drug that confers the brain benefits of exercise to an old or feeble person who rarely leaves a chair or bed.
More details about this study over at Science Magazine.
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