the nhs own website says here www.nhs.uk/Livewell/loseweight/Pages/the-truth-about-carbs.aspx however from a biochemistry point of view they are wrong as As a chemical term, “sugar” usually refers to all carbohydrates of the general formula Cn(H2O)n. All carbohydrates are saccharides. The word saccharide comes from the Greek word meaning sugar. so is it actually more true to say from a nutrition point of view your body turns all carbs into glucose and as long as you burn it of it dosnt matter how you eat your carbs? whether through potatoes or nuts to sweets there all used the same way by your body. and the nhs information should reflect this