The resulting advanced search strategy, created through the combination of the MeSH terms was, ("Obesity/drug therapy"[Mesh] OR "Obesity/therapy"[Mesh]) AND ("Glucagon-Like Peptides/administration and dosage"[Majr] OR "Glucagon-Like Peptides/agonists"[Majr] OR "Glucagon-Like Peptides/drug effects"[Majr] OR "Glucagon-Like Peptides/therapeutic use"[Majr]) AND ("Waist Circumference/drug effects"[Mesh] OR "Body Weight/drug effects"[Mesh]). Here, GCG is linked to obesity due to melanocortin 4 receptor deficiency.