Why Bariatric Surgery Works: The Hormonal Changes No One Talks About
Most people think bariatric surgery works because the stomach is smaller. Dr. Nestor de la Cruz‑Muñoz explains the real hormonal power of metabolic surgery — ghrelin, GLP‑1, leptin, insulin, bile acids, the vagus nerve, and the gut–brain axis.
By Nestor de la Cruz‑Muñoz, MD, FACS, DABOM — Bariatric & Metabolic Surgeon