In a study investigating the diabetes education provided by in-clinic nurses in Turkey, it was found that the first three education topics covered by the nurses are “the importance of the insulin treatment, insulin injection regions, injection site rotation, side effects of the insulin treatment and insulin storage” (16.0%), “definition and use of the antidiabetic agents” (14.0%), and “the definition and symptoms of diabetes” (13.8%) [27]. This evidence concerns the gene INS and diabetes mellitus.