This attitude that the use of performance-enhancing supplements and drugs is not unethical needs examination by exercise physiology professionals. This book explains -- clearly, within the importance of professional development in exercise physiology -- the way an exercise physiologist should think about sports nutrition, athletics, and cheating. In writing this book, the author pursued five objectives: 1. Take a serious intuitive approach; 2. Present complex and emotionally charged ideas and concepts in a straightforward manner; 3. Deal directly and firmly with the 21st century issues and concerns that centre directly on sports nutrition and the definition of exercise physiology as a healthcare profession; 4. Introduce new ideas and concepts in an interconnected way; 5. Create a book that readers will enjoy as well as learn from. He succeeds admirably in carrying out these objectives. This is a significant book on a burning issue of our times.