The extent to which an individual or a group is able to realize aspirations and satisfy needs, and to change or cope with the environment. Health is a resource for everyday life, not the objective of living; it is a positive concept, emphasizing social and personal resources as well as physical capabilities.
A state characterized by anatomic, physiologic, and psychological integrity; the ability to perform personally valued family, work, and community roles; the ability to deal with physical, biologic, psychological, and social stress; a feeling of well-being; and freedom from the risk of disease and untimely death.
A state of equilibrium between humans and the physical, biologic, and social environment, compatible with full functional activity.
World Health Organization. Definitions. Internet. Accessed August 7, 2009.