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.
Detels - Page 1. Epidemiology: the foundation of public health. Roger Detels, M.D., M.S. Abstract. Epidemiology is the basic science of public health, because it is the science that. describes the relationship of health or disease with other health-related factors in. human populations, such as human pathogens. Furthermore, epidemiology has been.