INS and type 2 diabetes mellitus: Findings from the present meta-analysis are consistent with those reported in a recent review by O’Connor et al. [7] who also found no effect of ≥0.5 servings of red meat/day, compared with <0.5 servings per day, on HOMA-IR, fasting glucose, fasting insulin, and HbA1c in disease-free individuals at risk of T2D.