Serotonin mediates exercise-induced generation of new neurons

Mice that exercise in running wheels exhibit increased neurogenesis in the brain. Crucial to this process is serotonin signaling. Surprisingly, mice lacking brain serotonin due to a genetic mutation exhibited normal baseline neurogenesis. However, in these serotonin-deficient mice, activity-induced proliferation was impaired, and wheel running did not induce increased generation of new neurons.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/health_medicine/fitness/~3/9_P1ODMUwOQ/130513110926.htm

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