The high-throughput GWAS assay provided the wild C allele variant of rs13266634 in SLC30A8 associated with T2DM risk in French [33, 34], Finnish [34], and English populations [35, 36], and it has been replicated in other populations such as Asian [37], Chinese [38–44], Japanese [45–48], Singaporean [49], Korean [50, 51], Arab [52], Norwegian [53], Caucasian women [54], African-American [55], Pakistani [56], Tunisian [57], Mexican mestizo [58], Saudi Arabian [59, 60], Kazakh [61], Iranian [62], Mayan [63], Thai [64], and Greek-Cypriot [65]. The gene discussed is SLC30A8; the disease is type 2 diabetes mellitus.