Dr. Jason Fung Books

The Obesity Code

By Brian Nishii, Dr. Jason Fung

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Complete Guide To Fasting

By Jason Fung

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The ultimate resource on intermittent fasting, the incredibly effective therapeutic approach to feeling better and losing weight that produces life-changing results.Whether you’re new to inte...

The Longevity Solution

By James DiNicolantonio

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Getting older doesn’t have to mean experiencing more pain and illness, becoming less mobile, or developing disease. Renowned cardiovascular research scientist and doctor of pharmacy Dr. James...

Diabetes Unpacked

By Zoe Harcombe PhD, Caryn Zinn PhD, Jason Fung MD, Prof Tim Noakes, Jeff Gerber MD, Robert Cywes MD, Nina Teicholz, Ivor Cummins, Malcolm Kendrick MD, David Unwin MD

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The Diabetes Code

By Dr. Jason Fung

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Die Schlankformel

By Dr. Jason Fung

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El codigo de la diabetes

By Francesc Prims Terrada, Dr. Jason Fung

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El ayuno como estilo de Vida

By Francesc Prims, Megan Ramos, Eve Mayer, Dr. Jason Fung

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The Cancer Code

By Dr. Jason Fung

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.