DOZENS of children as young as six and seven have become so obese that doctors are being forced to put them on ventilators at night to keep them breathing while they sleep. The children, whose breathing difficulties are blamed on overeating rather than any medical conditions, have been judged by the National Health Service to be morbidly obese - weighing as much as four times the normal weight for their age. The excessive weight bearing down on the chest, together with deposits of fat around the throat and neck, mean the children need ventilators to help them to breathe while...