 A. One week before the start of the study, subjects will report to the ASU-NCRC Human Performance Lab, be oriented to the study, and provide voluntary consent. Subjects will fill in a medical health questionnaire to verify medical history and lifestyle habits. Subjects must agree to maintain normal dietary and physical activity patterns during the 12-week intervention, and not make formal attempts to lose body weight. All other subject inclusion and exclusion criteria must be maintained during the study. Subjects will be instructed on how to record all food intake during a 3-day period prior to the start of the study Thursday, Friday, and Sunday. 