This week we have learned about some common study designs, including ecological studies, cross-sectional studies, and case-control studies. Think about a public health issue that you are interested in

This week we have learned about some common study designs, including ecological studies, cross-sectional studies, and case-control studies. Think about a public health issue that you are interested in, such as cancer or Lyme disease. What would be the best study design to research this issue? Why do you think this is the best study design, and what are some of the drawbacks to the study design that you chose?