For a Healthy Brain, Exercise Your Legs


Leg day might be even more important than we thought. New research on mice shows the body’s leg muscles contribute to a healthy nervous system.

In a study published Wednesday in Frontiers in Neuroscience, Italian researchers prevented mice from using their back legs for four weeks and then looked at the area of their brain that creates new neurons. The disabled mice had 70 percent fewer new neural stem cells than fully active mice — and those cells that did form didn’t completely mature.
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