INS and type 2 diabetes mellitus: Whereas results from these two prospective cohorts are in direct opposition to one another, as stated previously results from the PREDIMED study indicated no association between total monounsaturated fatty acid consumption and risk for type 2 diabetes [21], and results from two dietary interventions support an inverse association between monounsaturated fatty acid consumption and insulin sensitivity, a risk factor for type 2 diabetes [42, 43].