Moroccans descended from Berbers, Arabs, and Black Africans exactly like the neighboring Maghrebians. The Berbers are the prehistoric populations of Morocco and are related to the wider group of Paleo-Mediterranean peoples. The Afroasiatic family may have originated in the Mesolithic period, perhaps in the context of the Capsian culture.
Epidemiologic triangle model of disease causation. A common model used in public health illustrates the relationships among an agent, a host and the environment. It applies to biological, chemical and physical agents.
It is a highly quantitative discipline based on principles of statistics and research methodologies. Epidemiology Key Terms and Core Concepts â¢ Distribution: Epidemiologists study the distribution of frequencies and patterns of health events within groups in a population.sing descriptive epidemiology, epidemiologists characterize health events in terms of time, place, and person.â¢ Determinants: Epidemiologists search for causes or factors that are associated with increased risk or probability of disease.