Key points from article :
Up to 23 spoons of sugar per cup found in seasonal lattes and hot chocolates sold at 9 coffee chains.
These are Caffe Nero, Starbucks, Costa, KFC, Greggs, McDonald's, Eat, Leon and Pret a Manger.
Analysed more than 200 drinks from these high street coffee chains.
Coffee shops and cafes need to take more steps to reduce the levels of sugar and portion sizes.
Consumers should pay attention to "carbohydrates (of which sugars)" figure in nutrition labels.
Study by Action on Sugar.
