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A meta-analysis confirms the benefit of a Mediterranean diet in T2D

This piece of research constituted a systematic review of meta-analyses and randomised controlled trials comparing a Mediterranean diet with a control diet for the treatment of type 2 diabetes. The investigators found that the Mediterranean diet was associated with improvements in both glycaemic and cardiovascular risk factor management compared with control diets, including a lower-fat diet. They suggested that this type of diet may be suitable for the overall management of type 2 diabetes.

By Colin Kenny, GP, Dromore

The researchers used electronic searches to conduct a systematic review of meta-analyses and randomised controlled trials (RCTs) in adults with, or at risk for, type 2 diabetes that compared the Mediterranean diet with a control diet in the treatment of type 2 diabetes. Trials were included for meta-analyses if they had a control group treated with another diet, if they were of sufficient duration (at least 6 months), and if they had at least 30 participants in each arm.

Having scrutinised 2824 studies, the researchers found eight meta-analyses and five RCTs which were suitable for inclusion. On examining these studies they found that there was a favourable effect for the Mediterranean diet, as compared with other diets, on body weight, total cholesterol and high-density lipoprotein cholesterol. There was also a suggestion that, if this diet was adhered to, the risk of future diabetes was reduced by 19–23%.

To access the full publication, click here

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