Daniel G. Amen, MD shows brain scans of actual patients to reveal how your brain health is linked to your overall health. He has examined more than 60,000 brain scans using Brain SPECT Imaging (single photon emission computed tomography), which looks at blood flow and activity patterns in the brain. In this 11-minute video from his office, he shows a healthy brain compared to a retired NFL football player, an alcoholic, and other with head injuries–and ways to reverse damage done to the brain.

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