Stress and Sugar Synergy

Inclusion Criteria: * Body mass index between 28-35 * Self report of stable body weight during the past six months * High stress participants: Perceived Stress Scores (PSS) ≥ 24, and the presence of a predefined chronically stressful event as assessed by the Telephone screening questions. (IDS scores are not an inclusion criteria in this group, merely a rule-out for the low stress participants). * Low stress participants: PSS scores ≤ 8, Inventory for Depressive Symptom (IDS) scores ≤ 14, and the absence of any predefined chronically stressful events as assessed by the telephone screening questions. Exclusion Criteria: * glucose intolerance * Evidence of liver disorder * Evidence of kidney disorder * Evidence of thyroid disorder * Systolic blood pressure consistently over 140mmHg or diastolic blood pressure over 90mmHg * Triglycerides \> 200mg/dl * LDL-C \> 130mg/dl * Hemoglobin \< 8.5 g/dl * pregnant or lactating women * Current, prior (within 12 months), or anticipated use of any hypolipidemic or anti-diabetic agents * Use of Selective Serotonin Reuptake Inhibitors and anti-hypertensive medications * Any other condition that, in the opinion of the investigators, would put subject at risk * Strenuous exerciser * surgery for weight loss * Diet exclusions: food allergies, special dietary restrictions, habitual ingest of \>2 alcoholic beverages/day