SARA LONG ROTH, PhD, RD, is Professor in the Department of Animal Science, Food and Nutrition and Director, Didactic Program in Dietetics at Southern Illinois University Carbondale. Prior to obtaining her PhD in health education, she practiced as a clinical dietitian for 11 years. Her specialty areas are medical nutrition therapy, nutrition education, and food and nutrition assessment. She is an active leader in national, state, and district dietetic association's where she has served in numerous elected and appointed positions, including the Commission on Accreditation of Dietetics Education, and Commission on Dietetic Registration. Dr. Long is coauthor of Understanding Nutrition Therapy and Pathophysiology, Medical Nutrition Therapy: A Case Study Approach, Foundations and Clinical Applications of Nutrition: A Nursing Approach, and Essentials of Nutrition and Diet Therapy. Dr. Long has received various awards and honors for teaching, including Outstanding Dietetic Educator (ADA) and Outstanding Educator for the College of Agricultural Sciences.