Fruit juice has a similar energy density and sugar content to other sugary drinks, for example: 250 ml of apple juice typically contains 110 kcal and 26 g of sugar; and 250 ml of cola typically contains 105 kcal and 26.5 g of sugar."
He says research is beginning to show that unlike solid fruit intake, for which high consumption appears linked either to reduced or neutral risk for diabetes, high fruit juice intake is linked to raised risk for diabetes.