Disputes that original data of Minuchin, Rosman and Baker (1978) support their assertions that some diabetic patients' physiological disturbance serves a function in their families. Concludes that their psychosomatic family model decontextualizes families, assigning to them characteristics more appropriately seen as reflections of the disease process, the families' coping tasks, and the families' relationship with the health care system. (Author/KS)