<prompt> Primordial prevention isPrevention of diseases among the hill-dwelling and tribal peopleProlongation of human life span to the maximum extentPromotion of health, well being and efficiencyPrevention of diseases through modification of their risk factors  <response>: Primordial Prevalence: It is the prevention of emergence or development of risk factors in countries or population groups in which they have not yet appeared. Eg :. Obesity , Hypeension 