New Science of Weight Loss | A Masterclass

2026-07-20

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GLP-1 medications are transforming obesity treatment, but they're only one piece of the puzzle. In this masterclass, I bring together insights from Dr Terry Simpson, Dr Federica Amati, Dr Mauricio Gonzalez, Dr Christos Mantzoros, and Dr Stephan Guyenet to explain how these medications work, why "food noise" matters, and what it really takes to improve long-term metabolic health. What We Cover How GLP-1 medications regulate appetite and food noise Why obesity is more complex than willpower Semaglutide vs...

What We Cover

How GLP-1 medications regulate appetite and food noise
Why obesity is more complex than willpower
Semaglutide vs tirzepatide and newer medications
Nutrition and resistance training while taking GLP-1s
The role of fibre, protein, and Mediterranean-style eating
Common misconceptions and side effects

I hope this episode helps you better understand both the promise and the limitations of GLP-1 medications, while highlighting the importance of lifestyle alongside any medical treatment.

Why Terry Simpson Started Taking a GLP-1 (00:00)
What Is Food Noise, Really? (04:59)
Why GLP-1 Drugs Work So Well (10:16)
What Actually Causes Obesity (17:37)
How GLP-1 Medications Work in the Body (21:22)
The Strange Lizard Behind GLP-1 Drugs (25:56)
3 Types of Hunger You Didn't Know About (28:41)
How to Naturally Boost Fullness Signals (37:08)
How Doctors Choose Which GLP-1 to Prescribe (45:10)
Why Some People Don't Respond to GLP-1s (53:09)
GLP-1 Side Effects, Guilt, and Eating Right (58:12)
Mediterranean Diet's Effect on Long-Term Weight Loss (01:10:29)
The Shame Around Taking GLP-1 Medications (01:20:00)
Being Called a Pharma Shill (01:32:39)
The History Behind GLP-1 Drugs (01:38:18)
Will You Need GLP-1s Forever? (01:47:04)

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Simon Hill, MSc, BSc (Hons)