On Air Waters And Places Summary

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Associating the environment with disease causality c, in On Airs, Waters, and Places, gave birth in about 400 BC to the idea that disease might be associated with the physical environment; his thinking represented a movement away from supernatural explanations of disease causation to a rational account of the origin of humankind’s illnesses.

b. Use of vital statistics
In 1662, John Graunt published Natural and Political Observations Mentioned in a Following Index, and Made Upon the Bills of Mortality. This work recorded descriptive characteristics of birth and death data, including seasonal variations, infant mortality, and excess male over female difference in mortality. Graunt’s work made a fundamental contribution by discovering regularities