Environmental epidemiology involves the study of human beings. Interventional studies are used to determine if a preventive intervention or a treatment lowers disease rates. Observational studies are used to identify risk factors or causes of disease in human populations. In evaluating the weight of evidence for causality, one of the Bradford Hill criteria—biologic plausibility—addresses evidence from laboratory toxicology studies of test animals, cells, and other laboratory data.
In your response, address the following:
Support your answers with appropriate research and reasoning and initiate comments on the postings of at least two of your peers.