Patients have lots of questions regarding the new GLP-1 RA antiobesity medications. But there is a start to every conversation with their physician, nurse practitioner, or primary care provider, said Robert Kushner, MD, who has made a career as a researcher and author about overweight, obesity and nutrition. He’s also a doctor who has treated patients for years through Northwestern University’s Feinberg School of Medicine and Northwestern Medicine’s Center for Lifestyle Medicine.