The cover picture shows a wild bilberry plant (Vaccinium myrtillus). Bilberries have been eaten for centuries due to their high nutritive value. They are known to contain high levels of anthocyanin compounds, which in experimental animal models have been associated with a beneficial effect on glucose and lipid metabolism. In the present issue of Diabetologia (54:2755–2767) de Mello et al. report that a diet high in fatty fish, wholegrain products and bilberries may improve endothelial dysfunction and inflammation, independent of the effects on insulin sensitivity, in individuals at high risk of developing type 2 diabetes.
Cover credit: BJORN SVENSSON/SCIENCE PHOTO LIBRARY
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