Weaknesses of cohort studies include the amount of time and money often required and the lack of feasibility with rare outcomes.
What is meant by cohort study?
This is the type of study where there is the comparison between the people that have share outcomes but have certain differences such as in the forms of certain characteristics.
For instance when we talk about the female nurses that are known to smoke cigarettes compared to the nurses that do not smoke any forms of cigarettes.
Read more on cohort studies here: https://brainly.com/question/15827939
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