New Zealander George Hudson proposed the modern idea of daylight saving in 1895. Germany and Austria-Hungary organized the first implementation, starting on 30 April 1916. Many countries have used it at various times since then, particularly since the energy crisis of the 1970s.
Medical Definition of DISABLE. : to deprive of a mental or physical capacity.
health maintenance, a systematic program or procedure planned to prevent illness, maintain maximum function, and promote health. It is central to health care, especially to nursing care at all levels (primary, secondary, and tertiary) and in all patterns (preventive, episodic, acute, chronic, and catastrophic).