Epidemiology and public health week 9 assignment

1. A researcher wants to know if there is an association between exposure to asbestos and mesothelioma (a type of cancer). Which of the following is/are the most appropriate epidemiological study/ies to analyze this association?a. randomized trialb. prospective cohort studyc. case-control studyd. retrospective cohort studye. either case-control or retrospective cohort studyf. either randomized trial or case-control study- Provide an explanation for your choice for your previous scenario.2. A researcher wants to know whether a new medication for diabetes control is better than Metformin (a well known medication to control diabetes). He wants to evaluate and compare side effects of both medications, and levels of sugars at different times after medication intake. Which of the following is/are the most appropriate epidemiological study/ies to analyze this association?a. randomized trialb. prospective cohort studyc. case-control studyd. retrospective cohort studye. either case-control or retrospective cohort studyf. either randomized trial or case-control study- For the previous scenario, provide a brief explanation of the study design that you would use. For example in case of a case-control study, explain how cases and control would be selected. In case of a cohort study, you will explain how would you choose your cohorts. In case of randomized trials, explain how you would select your experimental group and your control group

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