According to the Food Standards Agency, diet during the early years plays a major role in setting lifetime eating patterns and more widely, on the cost of treating adults through the National Health Service. Obesity is a high-profile health problem for children and young people. Seven per cent of children are already medically overweight by the time they start school. There are also concerns that nutritional deficits are triggering a rise in rates of other conditions, such as rickets, constipation and iron deficiency anaemia. Early years...