As epidemiology is concerned with the study of distribution and determinants of health diseases And is thus controlled by health problems in a population.
It's concerned with methods of study design and descriptive-analytical studies, concerns with population use analytical data. The cause of health effects on the population at large and also includes the study on the air, water, and other industrial impacts.
All these factors like the accuracy in the exposure of the accurate assessment and the environment associated disease produced over a longer latency period often between the periods of diseases and their outcomes.
The Mississippi delta is located on the northwest part of the state of Mississippi and is the most southern place on earth and is 7,000 square miles of alluvial flood plains are created by the regular flooding of the Mississippi and Yazoo rivers for thousands of years.
The river deposited sand, and clay, silt along its banks and in adjacent basins, and is shaped of a bird's foot reflecting the dominance of the river over the hydrological and processes. As the river changes its course the natural flow of freshwater and sediments change as well.