The binomial health-diseases comprised in the physical, psychobiological, social-economic-cultural and topological ecosystems are defined. This article shows that in public health the problems of health or disease can only be approached as a continuum and by an interdisciplinary team. Four models of personality (psychological traces, psycho dynamics, situationism, interactionism) were related to the binomial and considered as partial aspects of the personality study. Personality was defined as a whole within three basic postulates.
Ecology; Health; Disease; Personality