INS and type 2 diabetes mellitus: Although T2D treatments work at different degrees of efficiency from one person to another, the above analysis confirms previous research [64, 65] indicating that, of the currently known T2D subtypes, certain subtypes seem to be most common in certain ethnicities, and that Asian populations are more characterized by decrease in insulin secretion capacity as opposed to American, European, and other Caucasian populations which have insulin resistance as the most common reason for T2D [66, 67].