In a windowless room on a quiet street in Framingham, outside Boston, Rob Goudswaard and his colleagues are trying to unpick1 the knottiest2 problem in health care: how to look after an ageing and thus sickening population efficiently. The walls are plastered3 with photographs of typical patients. Big sheets of paper chart4 each patient’s course from the hospital back to a comfortable life at home, with divergent5 lines showing all the problems that might arise In a windowless room on a quiet street in Framingham, outside Boston, Rob Goudswaard and his colleagues are trying to unpick1 the knottiest2 problem in health care: how to look after an aging and thus sickening substantially efficiently. The walls are plastered3 with photographs of typical patients. Big sheets of paper chart 4 each patient’s course from the hospital back to a comfortable life at home, with divergent 5 lines showing all the problems that might arise