A previous study among Norwegian GPs performed in the period 2005–2014 found that the use of insulin for T2D was, in fact, decreasing in that period, but the authors did not suggest any cause for that finding.28 When discussing use of insulin with GPs during the visits, many GPs reported barriers against its use among both prescribers and patients. The gene discussed is INS; the disease is type 2 diabetes mellitus.