<prompt> Biomedical concept of health is based on -Germ theory of diseaseAbsence of painSocial psychological factorsEquilibrium between man and environment  <response>: Ans. is a i.e., Germ theory of diseaseo There are following changing concepts of health1 Biomedical concept According to this concept, health is defined as absence of diseae and has the basis of germ theory of disease.2 Ecological concept According to this concept, health is a dynamic equilibrium between man and his environment, and disease a maladjustment of human to environment. According to Dubos health implies the relative absence of pain and discomfort and a continuous adaptation and adjustment to the environment to ensure optimal function. The ecological concept raises two issues, i.e. imperfect man and imperfect environment.3 Psychological concept It includes the influence of social, psychological, cultural, economic and political factors.4 Holistic concept The holistic model is a synthesis of all the above concepts.This view corresponds to the view held by the ancients that health implies a sound mind, in a sound body, in a sound family, in sound environment. 