Mark Liponis Books

Ultraprevention

By Mark Liponis, M.D. Mark Hyman, Mark Hyman

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A six-week health-bolstering program identifies such contributors to poor health as malnutrition and an impaired metabolism and offers advice on how to remove toxins from the body and implement hea...

Ultraprevention

By Mark Liponis, Mark Hyman

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The Hunter Farmer diet solution

By Mark Liponis

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"____ Americans are overweight, and they're getting heavier. Other than wanting to perform invasive surgical procedures, most doctors offer little help. Their advice is usually "Eat less, exercise...

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.