We live in our emotions, explains renowned medical researcher Dr. Rudolph Tanzi. Our emotions and overall outlook on life correspond to different parts of the brain. How you decide to approach your life determines which parts of your brain become activated. If you allow fear and worry to rule you, the brain stem is exercised. If you embrace things like creativity, empathy, and community, you activate the frontal cortex.These decisions — the choices you make in how you want to live life — have ...