This document discusses the benefits of mental fitness for mind, body, and spirit. It summarizes several studies that show the impact of things like prayer, mindfulness, and lifestyle changes on physical health outcomes like reduced heart disease. A 1988 study found patients who received intercessory prayer had better health outcomes. Candace Pert's 1970 research demonstrated the brain's communication with other body systems. Dean Ornish's 1980 study and 1990 1-year follow up showed patients who adopted lifestyle changes experienced reversal of heart disease while controls worsened. The document provides examples of guided imagery, subtle mind, and yoga exercises to improve mental fitness.