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epidemiology. the science concerned with the study of the factors determining and influencing the frequency and distribution of disease, injury, and other health-related events and their causes in a defined human population for the purpose of establishing programs to prevent and control their development and spread.
What is an Epidemiologist? Epidemiology is the study of the distribution and causes of disease. It aims to solve or control health problems. Epidemiology integrates experiments, risk assessment, statistical analysis, surveys, and interviews to study disease patterns. Epidemiologists investigate patterns and causes of diseases and injuries that affect people. They try to reduce diseases and injuries through community education and policy. Environmental epidemiologists study diseases that are known or suspected to be caused by environmental factors.