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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Migration study is used to study
assistant
The correct answer is  Large-scale migration of human populations from one country to another provides a unique oppounity to evaluate the role of the possible genetic and environmental factors in the occurrence of disease in a population.Migration studies can be carried out in 2 ways -a) Comparision of disease and death rates for migrants with that kin who have stayed at home. (Genetically similar groups living in different environmental conditions)b) Comparision of migrants with the local population of the host country. (genetically different groups living in the same environment)Park 23e pg: 67