Is there such a thing as sugar addiction?

Given the choice, lab rats favour sugar over cocaine. Does that mean we are all hopelessly hooked – and what is eating too much sugar doing to our bodies?It comes in a white, crystalline form and gives us a pleasurable high – but refined sugar is as habit-forming as cocaine or nicotine, according to a review in the British Journal of Sports Medicine. Animal studies show that sugar is the drug of choice for lab rats which, when given a choice of levers to pull, will switch from cocain