This document discusses exploring disease and health from biological and philosophical perspectives. It examines what should and should not be considered a "disease" and why. The document suggests studying disease in abnormal, critical states to better understand normal health, and considers how philosophy, biology and medicine can help understand the human condition. Disease is defined as a pathological process that can be physical or mental, while illness is a personal feeling of unwellness that may or may not have an identifiable disease cause.