Also, they need not to be declared disabled prematurely.”9 This modern vision had been delivered by the German Diabetologist Gerhard Katsch (1887–1961), who had since the 1930s propagated the idea of the diabetic patient as being “conditionally healthy.” Diabetes patients could lead ordinary lives when they kept in contact with their physician and adhered to diet and insulin application recommendations. This evidence concerns the gene INS and diabetes mellitus.