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Kelly McGonigal, Author of The Joy of Movement: How Exercise Helps Us Find Happiness, Hope, Connection, and Courage (#37)

The Kevin Rose Show

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How Exercise Changes the Brain

Exercise has a profound impact on the brain by triggering the release of myokines, also known as 'hope molecules', from muscles into the bloodstream. These myokines cross the blood-brain barrier and have numerous positive effects on mental and brain health, including acting as natural antidepressants and aiding in brain recovery from trauma. Additionally, lactic acid, produced during exercise, functions as a natural anti-anxiety and antidepressant. The continuous release of these beneficial chemicals during movement acts as a pharmacy for the brain, making us more resilient and promoting long-term brain health and structural changes.

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