The document discusses mental fitness and exercises that can improve it. It summarizes several research studies that show benefits of lifestyle changes, tai chi, and dance therapy for heart patients and cancer survivors. It then describes exercises like chanting "Om Mani Padme Hum" and using positive affirmations that have been shown to improve mental focus and counter negative emotions. The conclusion states that through mental workouts and positive thinking, people can foster greater well-being in body, mind and spirit.