This core provides dietary assessment necessary to plan and conduct research that demands nutritional support. Methodologies to assess nutrition risk and comprehensive evaluation of nutritional status include anthropometrics, bioelectrical impedance analysis, food intake (administration, review and analysis of dietary intake via quantitative food frequency questionnaires, food diaries, diet recalls and diet history) and nutrition analysis via computerized analysis of dietary intake using nutrient data analysis software. Additional services provided are diet education, protocol development and training.