hygiene as a principle & personal hygiene go here; dental hygiene = DENTAL HYGIENE see ORAL HYGIENE; industrial hygiene = INDUSTRIAL HYGIENE see OCCUPATIONAL HEALTH; mental hygiene = MENTAL HYGIENE see MENTAL HEALTH; MILITARY HYGIENE is also available

The science dealing with the establishment and maintenance of health in the individual and the group. It includes the conditions and practices conducive to health. (Webster, 3d ed)