A dynamic state of physical, mental and social wellness; a way of life that equips the individual to realize the full potential of capabilities and to overcome and compensate for weaknesses; a lifestyle which recognizes the importance of nutrition, physical fitness, stress reduction, and self-responsibility. May be viewed as the result of four key factors over which an individual has varying degrees of control: human biology, social and physical environment, health care organization (system), and lifestyle. (World Health Association)