Question: Is exercise important for brain health?
Dr. Amen's Answer:
Exercise actually stimulates "neurogenesis," the ability of the brain to generate new neurons. In exercising laboratory rats, research shows that they generate new neurons that die off unless stimulated.
If you stimulate these new neurons through mental or social interaction, then they connect to other neurons and become integrated into brain circuits that help maintain their functions throughout your life.
Exercise provides the raw materials. The brain needs to grow and repair itself. "Mental" pastimes such as reading, playing music, creating art, and writing help strengthen and grow specific areas of the brain.
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