Additionally, some studies described self‐efficacy,25, 38, 39, 40, 41, 45 fatalism,24, 25, 31, 37, 41, 42, 44 self‐identity and the concept of being sick,24, 25, 27, 33, 35, 37, 41, 42, 44 as well as the negative association of insulin with severe diabetes and the perception of insulin as the last resort.24, 25, 28, 29, 36, 37, 41. This evidence concerns the gene INS and diabetes mellitus.