“…In a previous analysis of this Greek cohort study, the combined protection against type-2 diabetes imparted by a diet with high adherence to the traditional MD and a low GL was about 20% [56]. In a randomized trial among overweight or obese women [57], a Mediterranean-style low-GL diet significantly improved various characteristics of the metabolic syndrome, including body weight, waist circumference, plasma triglycerides, and systolic blood pressure. Participants also experienced significant reductions in plasma levels of insulin and low-density cholesterol [58].…”