What is the effect of diet control as compared to medication in the management of the disease given six month

Picot question: In patients with diabetes mellitus 2, what is the effect of diet control as compared to medication in the management of the disease given six months. The setting is a general practice clinic for patients 18 years and older.

In a paper of 500-750 words, clearly identify the clinical problem for the picot question and how it can result in a positive patient outcome.