Chosen by more than 1 million readers, Whitney/Rolfes' UNDERSTANDING NUTRITION dispels nutrition myths, empowering you to make better nutrition choices--and enact lasting behavior change. Updated with the latest research and the 2015-2020 Dietary Guidelines, the 15th Edition of this bestseller emphasizes strong science and nutrition basics. With their lively, reader-friendly writing style, the authors walk you step by step through the science of nutrition, while vivid illustrations and quick-reference tables make even the most difficult concepts easy to understand. The text also includes expansive weight loss information and thorough coverage of fitness and energy systems. Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version.