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.
Epidemiology is the study of the distribu-tion and determinants of diseases and conditions. The problems that can be studied by epidemiology range from infectious to non-infectious diseases (such as cancers, strokes, and heart disease) to injuries and risky behaviors (such as drug abuse or smoking).Generally, epidemiologic studies are investigations with an ecologic perspective.he problems that can be studied by epidemiology range from infectious to non-infectious diseases (such as cancers, strokes, and heart disease) to injuries and risky behaviors (such as drug abuse or smoking). Generally, epidemiologic studies are investigations with an ecologic perspective.