29 single-nucleotide polymorphisms (SNPs) from the fatty acid translocase [FAT or CD36, 18 SNPs] and guanine nucleotide binding protein and α transducing 3 [GNAT3, 11 SNPs] gene (Forti et al., 2012), are associated with MetS and its related traits in Mexican Americans. The gene discussed is GNAT3; the disease is metabolic syndrome.