_______________ is the study of the frequency, distribution, and causes of infectious and non-infectious disease in a population, based on an investigation of the physical and social environment.

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Epidemiology is the study of the frequency, distribution, and causes of infectious and non-infectious disease in a population, based on an investigation of the physical and social environment. Health psychology focuses on the psychological factors that affect physical health, etiology is the study of the causes of disease, morbidity refers to the number of cases of a disease in a population, and immunology is the study of the immune system and its response to pathogens.

_______________ Is the Study of the Frequency, Distribution, and Causes