Summary & Study Guide - The Obesity Code by Lee Tang

Unlocking the Secrets of Weight Loss

The must-read summary of “The Obesity Code: Unlocking the Secrets of Weight Loss” by Jason Fung, MD.

Summary & study guide - the obesity code

Everything you believe about how to lose weight is wrong.

The must-read summary of “The Obesity Code: Unlocking the Secrets of Weight Loss” by Jason Fung, MD.

Most “Eat Less, Move More” programs failed to achieve long-term weight loss because “calorie in versus calorie out” is not the only factor that causes obesity. Obesity is a multifactorial disease. We need a coherent theory to understand how all its factors fit together.

This complete summary of Dr. Jason Fung’s book provides one such coherent framework that can account for most of what we know about the real causes of obesity. It lays out the root cause of obesity and diabetes is hyperinsulinemia and insulin resistance, and the cure is reducing overall endogenous insulin production/secretion through manipulation of:

This guide includes:

Value-added of this guide:

If you want to reverse type 2 diabetes and treat obesity, read and apply what you learn from this book.


Genre: STUDY AIDS / Study Guides

Secondary Genre: HEALTH & FITNESS / Weight Loss

Language: English

Keywords: the insulin factor, little book of big weight loss, obesity code, leptin, reverse diabetes today, intermittent fasting, insulin resistance solution, how to lose weight

Word Count: 13,100

Sample text:

Foods comprise three macronutrients: fat, protein, and carbohydrates. Refined carbohydrates were known to be fattening since the early 1800s as the French scientist and physician Jean Anthelme Brillat-Savarin described in his 1825 textbook, The Physiology of Taste.

Four decades later, William Banting, an English undertaking, rediscovered that "fattening carbohydrates" caused weight gain. Banting was not an obese child, nor did he have a family history of obesity. But he gained weight in his mid-thirties. He started eating less and exercising more. His physical fitness improved, but he still failed to lose weight because the exercise had built up his appetite. At the advice of his doctor, Banting tried a new approach. He avoided all breads, milk, beer, sweets and potatoes. Banting not only lost the weight and kept it off. He felt so well he published his findings in the famous pamphlet Letter on Corpulence in 1863. For the most of the next century, a diet low in refined carbohydrates was the standard treatment for obesity.

The Dietary Guidelines

With the discovery of vaccines and antibiotics, combined with increased public sanitation, infectious diseases such as pneumonia, tuberculosis, and gastrointestinal infections, became curable. Heart disease and cancer now caused a relatively greater number of deaths.
In the 1950s, heart disease became the number one killer. Physicians started to advocate lower-fat diets because dietary fat was thought to increase the amount of cholesterol in the blood causing heart disease. But there was one problem: lowering dietary fat meant replacing it with either protein or carbohydrate. Since many high-protein foods are also high in fat, one must increase dietary carbohydrates.

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