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Imagine discovering that the source of your thoughts and feelings isn't just the brain in your head, but a sophisticated network spanning your entire body. This revolutionary insight forms the foundation of "Mental Fitness," where Shawn Talbott reveals we actually possess three distinct "brains" that collectively determine our mental state. While most of us struggle with unprecedented levels of stress, anxiety, and depression - popping pills that merely change how we feel from "bad in one way to bad in another" - this three-brain approach offers a more effective path to genuine wellness. Despite spending billions on pharmaceuticals and seeing healthcare costs skyrocket by 2,000% over fifty years, we're paradoxically less healthy than ever. Why? Because we've been treating symptoms rather than addressing the complex, interconnected systems that actually govern our mental health.