The Obesity Code

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The Obesity Code

unlocking the secrets of weight loss


‘Fung zeroes in on why insulin resistance has become so prevalent and offers specific outside-the-box solutions that have emerged as the key to maximizing health.’

Jimmy Moore, author, Keto Clarity and Cholesterol Clarity

When your latest diet fails, you feel that you’ve failed. You feel frustrated, weak-willed, and humiliated. But you shouldn’t. In fact, everything you believe about how to lose weight is wrong, because most weight-loss recommendations fly in the face of evidence about the way your body works.

Weight gain and obesity are driven by hormones — in everyone — and only by understanding the effects of insulin and insulin resistance can we achieve lasting weight loss.

In this highly readable and provocative book, Dr Jason Fung sets out an original, robust theory of obesity that provides startling insights into proper nutrition. In addition to his five basic steps, a set of lifelong habits that will improve your health and control your insulin levels, Dr Fung explains how to use intermittent fasting to break the cycle of insulin resistance and reach a healthy weight — for good.


Jason Fung

Dr Jason Fung grew up in Toronto, Canada and completed both medical school and an internal medicine residency at the University of Toronto. He headed to the University of California, Los Angeles completing his fellowship in nephrology (kidney disease specialist). He now has both a hospital and office based practice in Toronto, and is the current chief of the Department of Medicine at The Scarborough Hospital, General Division. Struggling daily against the worsening epidemic of type 2 diabetes and obesity, it became clear that current recommended treatment of ‘Eat Less, Move More’ was simply not successful. It soon became clear that the medical obsession with calories was not the proper model to treat obesity. He established the Intensive Dietary Management Program to provide patients with a unique treatment focus on diet rather than medications. The program treats conditions related to the metabolic syndrome, including obesity, type 2 diabetes, obstructive sleep apnea and fatty liver with great success. It now provides guidance both locally and to international patients from as far as New Zealand to the United Kingdom to South Africa. Dr Fung lives in Toronto with his wife and two boys.

‘Not only full of insights but also surprisingly funny. Read it to understand why the world became fat, how to reverse the epidemic—and how to stay thin yourself.’

Andreas Eenfeldt, MD, Founder of

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Weight.365 kg
Dimensions21 × 3 × 13.5 cm
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