The Obesity Code Book Summary - The Obesity Code Book explained in key points
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The Obesity Code summary

Jason Fung

Unlocking the Secrets of Weight Loss

4.6 (409 ratings)
22 mins

Brief summary

The Obesity Code by Jason Fung educates readers on the root causes of obesity and provides actionable ways to combat it. It challenges common weight-loss myths and advocates for a change in diet and lifestyle habits.

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    The Obesity Code
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    Genetic factors play a larger role in obesity than social environment.

    Like lots of other social problems, obesity is often framed as a nature versus nurture issue. So what’s the cause of obesity – does it come down to people’s metabolisms or their lifestyle? Well, the answer might just surprise you: the latest research suggests that social environment isn’t the primary cause of obesity.

    We know that from scientific studies of environmental factors affecting children as they develop. The best way of determining how important these are is to look at adopted kids and their families. That’s just what Albert J. Stunkard did. His research on adopted children in Denmark was published in the New England Journal of Medicine in 1986. Why Denmark? Well, the country is pretty great at keeping accurate adoption records, which is just what Stunkard needed to compare his subject’s adoptive and biological parents.

    Stunkard showed that there was no correlation whatsoever between the weight of these minors and their adoptive parents. This indicated that environmental factors had virtually no bearing on whether children became obese or not. The results of the study came as a shock. Until that point, the default assumption had been that social environment was the most important factor when it came to obesity. The argument that early exposure to junk food led to weight issues had been refuted.

    That left genetic factors. Stunkard didn’t just dismiss an old theory, however. He also provided evidence for a new hypothesis. When he compared adopted kids to their biological parents, he found a strong correlation: the children of obese parents were much more likely to become obese themselves even if they’d grown up in a family in which everyone else was relatively thin. In 1991, Stunkard published a follow-up study which put a number to his claims. According to his new research, genetic factors account for approximately 70 percent of a person’s likelihood to develop obesity.

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    What is The Obesity Code about?

    The Obesity Code (2016) addresses the alarming global rise of obesity and asks what we can do to minimize the risks to our health. The best place to start, Jason Fung argues, is to clear up common misconceptions about the causes of obesity, beginning with the old saw that all dietary fats are to blame. That means taking a closer look at the latest evidence and addressing the true culprit: insulin resistance.

    The Obesity Code Review

    The Obesity Code (2016) is a thought-provoking book that delves into the root causes of obesity and provides an insightful perspective on how to achieve lasting weight loss. Here's why this book is worth your time:

    • With its thorough examination of the science behind obesity, it debunks common myths and offers a fresh understanding of the complex factors influencing our weight.
    • The book outlines a clear framework for weight management, including practical tips and strategies that can be implemented in your daily life.
    • Through compelling case studies and personal anecdotes, Jason Fung brings the topic to life, ensuring that the book is anything but boring.

    Best quote from The Obesity Code

    Obesity is overwhelmingly inherited.

    —Jason Fung
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    Who should read The Obesity Code?

    • Anyone looking to lose weight
    • Doctors and nutritionists
    • Food producers and consumers

    About the Author

    Jason Fung is a kidney specialist and head of the Intensive Dietary Management program at Scarborough Hospital in Ontario, Canada. A well-known expert on type 2 diabetes and obesity, Fung is also the author of The Diabetes Code, The Longevity Solution and The Complete Guide to Fasting.

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    The Obesity Code FAQs 

    What is the main message of The Obesity Code?

    The main message of The Obesity Code is that understanding the hormonal causes of obesity is key to weight loss.

    How long does it take to read The Obesity Code?

    The reading time for The Obesity Code varies, but it typically takes several hours. The Blinkist summary can be read in just 15 minutes.

    Is The Obesity Code a good book? Is it worth reading?

    The Obesity Code is worth reading for its insightful perspective on obesity and weight loss, providing a fresh approach to understanding and addressing the issue.

    Who is the author of The Obesity Code?

    The author of The Obesity Code is Jason Fung.