+News Drugs, diet or surgery: Why obesity is so hard to treat Obesity is a complex, relapsing chronic disease, Auckland bariatric surgeon Jason Robertson told GPCME 2026 in Rotorua [Image: NZD] Essentials, Obesity defends itself against weight loss through a biological adaptation to protect against starvation during famine. GLP-1 agonists, Essentials/Read More Kia ora and welcome to Pharmacy Today Kaitiaki Rongoā O Te Wā Not a subscriber? Unlock this article by subscribing here.