Book excerpt: Written by one of America's foremost authorities in preventive medicine, Nutrition in Clinical Practice, Second Edition is the practical, comprehensive, evidence-based reference that all clinicians need to offer patients effective, appropriate dietary counseling. This fully revised edition incorporates the latest studies and includes new chapters on diet and hematopoiesis, diet and dermatologic conditions, and health effects of coffee, chocolate, and ethanol. Each chapter concludes with concise guidelines for counseling and treatment, based on consensus and the weight of evidence. Appendices include clinically relevant formulas, nutrient data tables, patient-specific meal planners, and print and Web-based resources for clinicians and patients.