Review | The Obesity Code: Unlocking the Secrets of Weight Loss by Jason Fung

“But diet and exercise are not fifty-fifty partners like macaroni and cheese. Diet is Batman and exercise is Robin. Diet does 95 per cent of the work and deserves all the attention; so, logically, it would be sensible to focus on diet. Exercise is still healthy and important—just not equally important. It has many benefits, but weight loss is not among them. Exercise is like brushing your teeth. It is good for you and should be done every day. Just don’t expect to lose weight.” 5/5 stars!

Attention! This book contains: human studies, vinegar, processed carbohydrates, fibers, calorie restriction, hormones, easy recipes, sugars, intermittent fasting, sleeping hours and meal planning.

Everything you believe about how to lose weight is wrong. 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.

I read this book a while ago, but I couldn’t write a review right after finishing the book because I wanted to let the teachings sink in first.
I want to start this review by saying I was a little scared of going into this knowing it’s a medical book. I was afraid of not fully understanding the author’s message because of the (possible) use of medical and technical language. My fear quickly vanished after reading the first part of the book: the author addresses this concern and says he wrote the book in a way that everyone could understand, because this is a book intended for everyone interested in the subject, no matter their background and education. And it was true. I went through this book quickly and I absorbed the information easily.
This was a life changing book for me. I’ve struggled with overeating and being overweight for a few years now, and I’m always looking for new information and new things to read on the subject. This was a very important read for me because I learned a lot and I applied a lot of the teachings to lose weight… and guess what? It worked perfectly! I still have weight to lose until I reach my goal, but I’m happy to say my habits have changed and I’ve lost a lot of weight so far!
Ok, now back to the book: what makes it so amazing? To me it was the fact that the author uses A LOT of human studies to back up every claim. This book is full of references to relevant studies on human behavior. It’s the kind of book that you will definitely take something from, even if you’re an expert in the subject because he covers a lot of areas. Not only does he explain what works and what doesn’t for weight loss, but it uses a lot of proof to back it up. For example, one of the things you’ll read in this book is the fact that calorie restriction does not influence weight loss. Another big thing is that what makes us gain weight is the unbalanced hormone levels. These two simple facts were very surprising to me, but after reading about the science behind it and the studies made on the subjects, I gained a new (and life changing) perspective which is now a huge part of my successful weight loss journey. I’m also very thankful for the author to end the book with a conclusion for what we should do for weight loss.
I cannot explain how important this book was in my life. I’m truly grateful this doctor took the time to explain all the science behind it for us to lead a healthier life. This is an amazing book and an essential read with anyone struggling with losing weight! I already added to my TBR list the other two books from this author: “The Cancer Code” and “The Diabetes Code”. Definitely recommend this one, it’s probably the best book I’ve read in 2022.

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