GLP-1 - Glucagon-like peptide-1 - is a class of medications used to treat type 2 diabetes mellitus and, in some cases, obesity. That's the formal definition of the drugs many are using now solely to lose weight. It's the latest in the weight loss war. Nearly 48% of African American adults in the US are clinically obese, and Black women are especially affected as 4 out of every 5 Black women are obese. Is GLP-1 the magic weight loss medicine as some claim? Is obesity a disease, or a lack of will power? And what is the impact for diabetic patients who cannot get the drug because of increased demand from those who want to lose weight? Cardiologist Dr. Keith Newby on drugs and weight loss on Another View.