you do not need write a essay format, this is a presentation, so you can write short paragraph for each part.
find a Research Article

-Paper must be published within last 10yrs

-Paper must be relevant to the covered material of the presentation

-Briefly explain the methods

-Using data and figures abstracted from original research article, explain the main findings from the study

-Explain the conclusions and potential limitations of the study

-Briefly conclude the presentation by summing up the key take home messages with regard to the pathophysiology, medical treatment, nutritional therapy, and research article