What are cohort studies and how do they work?
Cohort studies are observational studies that follow a group of people over time to see how certain exposures affect outcomes.
Can you give me an example of a cohort study?
Sure! An example is a study that follows smokers and non-smokers over several years to compare lung cancer rates.
What are the advantages of using cohort studies?
Cohort studies allow researchers to observe the effects of risk factors over time and can establish a timeline of events.
Are there any limitations to cohort studies?
Yes, they can be time-consuming and expensive, and they may also be affected by confounding variables.
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