Brain Byte: Exercise Grows Your Brain

Exercise literally grows the brain, increasing the number of brain cells.

According to No More Brain Drain by Reader’s Digest the birth of new brain cells decreases as we age, but this trend may be reversed with regular physical exercise.

The book reports that researchers from the University of Illinois found that after 3 months of getting a few hours of aerobic exercise weekly, study subjects’ brains grew to a size equal to that of people 3 years younger.  Their number of brain cells increased dramatically, especially in the frontal lobe, where much of learning and memory making takes place.

In addition, the connections between brain cells also increased, especially in the corpus callosum, a structure that connects the two hemispheres of the brain and allows them to speak to each other, enhancing creativity and efficiency of thought.


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