Among the overlapping genes between migraine and T2D, seven genes (MACF1, CALCB, THADA, ANKDD1B, EHMT2, CFDP1, and SUGP1) were the closest gene to a lead migraine SNP in Hautakangas et al. (2022) [2]. The gene discussed is CFDP1; the disease is type 2 diabetes mellitus.