Glucagon-like peptide-1 receptor agonists (GLP-1 RAs) are a group of drugs used to treat type 2 diabetes and sometimes obesity. GLP-1 RAs are very effective at lowering blood sugar levels.

They identified a specific genetic variant (rs877446) linked to lower BMI that mimicked the effect of GLP-1 receptor agonists. The team examined the effect of this variant on different types of ...