Blueberries and apples contain high levels of
anthocyanins
Related Stories
Eating more fruit, particularly blueberries, apples and grapes, is linked to a reduced risk of developing type-2 diabetes, suggests a study in the British Medical Journal.
Blueberries cut the risk by 26% compared with 2% for three servings of any whole fruit - but fruit juice did not appear to have the same effect.