# Why your body fights weight loss | Katherine Saunders

An episode of [TED Health](https://invisiblenetwork.ai/podcast/470623173), 19 Aug 2025, 13 min.

Audio: https://sphinx.acast.com/p/open/s/67585b08102e6d4448d360b1/e/68813a6b911cb5ab749dbe2f/media.mp3

Why does losing weight often feel like an uphill battle? Physician Katherine Saunders unpacks how our bodies are wired to store fat, revealing that obesity isn’t simply a lack of willpower — it’s a complex, chronic disease rooted in evolutionary biology. She shares the science behind the latest breakthroughs in treatment, from lifestyle interventions to powerful new medications. Hosted on Acast. See acast.com/privacy for more information.

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