FBS: fasting blood sugar, FH: family history, TG: triglycerides, HDL: high-density lipoproteins, Tchol: total cholesterol, LDL: low-density lipoproteins, ApoA1: apolipoprotein A1, ApoB: apolipoprotein B, FTO: fat mass and obesity. The gene discussed is APOA1; the disease is obesity due to melanocortin 4 receptor deficiency.