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You know what they say that those who don’t know history are doomed to repeat it. This lecture seeks to summarize the lessons History would teach those who are willing to listen and learn.

Believe it or not, Epidemiology did affect the evolution of disease. By identifying and quantifying disease, scientists were able to institute measures that controlled the spread of disease, infectious diseases in particular. When infectious disease no longer caused premature deaths among the population, people began to live long enough to develop chronic diseases. Today, chronic diseases have become the major killers of people living in industrialized nations.