Why your body fights weight loss | Katherine Saunders
Video Credit: TED - Duration: 11:32s - Published

Why your body fights weight loss | Katherine Saunders
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.