How GLP‑1s work biologically

Are GLP-1 medications a game-changer for women in midlife—or just another quick fix? In this conversation, triple board-certified endocrinologist Dr. Rocio Salas-Whalen joins Dr. Mary Claire Haver to cut through the hype and share what women really need to know about Ozempic, Wegovy, Mounjaro, and the science behind sustainable weight loss.

Dr. Salas-Whalen, founder of New York Endocrinology and author of the upcoming book Weightless, explains why GLP-1 receptor agonists represent a fundamental shift in how we understand and treat obesity—not as a willpower problem, but as a chronic medical condition with biological drivers including hormones, genetics, and metabolism.

For women navigating perimenopause and menopause, the conversation gets even more specific. Dr. Salas-Whalen breaks down why estrogen decline drives fat redistribution to the abdomen, increases visceral fat, and makes it nearly impossible to lose weight using the same strategies that worked before. She reveals how GLP-1 medications can address the metabolic changes of midlife while protecting what matters most: muscle mass.

Dr. Salas-Whalen shares her clinical experience treating thousands of patients and addresses the viral misinformation circulating online. She explains why obesity is a transgenerational disease influenced by genetics, environment, food accessibility, and even childhood trauma—not personal failure.

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