The bestselling UNDERSTANDING NUTRITION gives you the ideal blend of strong science, nutrition basics and hands-on learning. Updated with the latest research, the 15th Edition includes the new 2015-2020 Dietary Guidelines, quick-reference tables, expansive weight loss information and thorough coverage of fitness and energy systems. You will quickly connect with the text's approachable writing style, and the art and illustrations make even the most difficult concepts easy to understand. The text's emphasis on active learning includes a rich variety of ways to help you put what you learn into...