Vegan or vegetarian diets have been suggested to reduce type 2 diabetes T2D risk. However, not much is known on whether variation in the degree of having a plant-based versus animal-based diet may be beneficial for prevention of T2D. We aimed to investigate whether level of adherence to a diet high in plant-based foods and low in animal-based foods is associated with insulin resistance, prediabetes, and T2D. Our analysis included participants We constructed a continuous plant-based dietary index range 0—92 assessing adherence to a plant-based versus animal-based diet. Insulin resistance at baseline and follow-up was assessed using homeostasis model assessment of insulin resistance HOMA-IR. We used multivariable linear mixed models to examine association of the index with longitudinal HOMA-IR, and multivariable Cox proportional-hazards regression models to examine associations of the index with risk of prediabetes and T2D. During median 5. In conclusion, a more plant-based and less animal-based diet may lower risk of insulin resistance, prediabetes and T2D.
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Previous studies have suggested an association between vegetarian diets and improvements in glycemic control in diabetes, although this relationship is not well established. No meta-analysis of these studies has been performed. To conduct a systematic review and meta-analysis of controlled clinical trials examining the association between vegetarian diets and glycemic control in type 2 diabetes. Data extraction and synthesis: The data collected included study design, baseline population characteristics, dietary data, and outcomes. Data were pooled using a random-effects model. Main outcomes and measures: Differences in HbA1c and fasting blood glucose levels associated with vegetarian diets were assessed. Consumption of vegetarian diets is associated with improved glycemic control in type 2 diabetes. Diabetes is an independent risk factor for cardiovascular disease 1.