Question: Please describe the role the risk factors in the development of diabetic mellitus and write the detailed description for the currently available anti-diabetic drugs (include the classification & mechanism)

Points to be focused:

Diabetic mellitus (DM) types and causes of development [20]
Risk factors and their role involved in DM development [40]
Current anti-diabetic drugs (Includes classification and mechanism) [40]

P.S.:
Please try to summarize information about Diabetes with your own words. Should not just copy from any source . can use your own way to prepare the answer, including diagram, whatever.