Researcher A  conducts a case-control study to explore the consumption of fruits and  vegetables and the risk of endometrial cancer. The results of the study  indicate a lower risk of cancer with vegetable consumption.

Researcher B  conducts a cross-sectional study to explore the consumption of fruits  and vegetables and the risk of endometrial cancer. The results of the  study indicate a higher risk of cancer with vegetable consumption.

Conduct  research by reading the articles and journals on endometrial cancer.  Based on your research and understanding, answer the following  questions: