Have a history of Type 1 diabetes, Type 2 diabetes poorly controlled (HbA1c > 6.5% at first visit), type 2 diabetes on insulin, vascular disease, coronary artery disease, stroke, or transient ischemic attack, cancer, organ transplant, bleeding disorder, chronic respiratory disease, including asthma, chronic renal failure, chronic liver disease, or seizure disorder. The gene discussed is INS; the disease is type 1 diabetes mellitus.