Food and Circadian Timing

Inclusion Criteria: * Healthy, lean men and women Exclusion Criteria: * Major dietary restrictions (such as entirely dairy-free and/or meat-free diets) * A body mass index (BMI) of 18.5\< \[BMI\] \< 24.9 kg/m\^2 and a waist circumference \<94/80cm * Currently psychiatrically/psychologically unsuitable for participation * Drug/alcohol use, including smoking * Medication/drug use, including prescribed and over-the-counter medications * History of working irregular day and night hours, regular night work, or rotating shift work for the 1 year prior to the study. * Traveled across more than 1 time zone during the 3 months prior to the study * Currently consuming a habitual high-fat diet * Chronobiologic and sleep disorders * Diseases of the Cardiovascular System * Metabolic Syndrome; Two or more of these factors will be excluded from the study: 1. HDL cholesterol of less than 40 mg/dL in men or less than 50 mg/dL in women; 2. systolic blood pressure\>135 mmHg or diastolic blood pressure\>85 mmHg; 3. Fasting blood glucose ≥ 100 mg/dL; 4. Triglycerides ≥ 150 mg/dL. * Pre-Diabetes/Diabetes * Hypertension * Disorders of the Respiratory System * Disorders of the Kidney and Urinary Tract * Infectious Diseases * Disorders of the Gastrointestinal System * Disorders of the Immune System * Disorders of the Hematopoietic System * Neoplastic Diseases * Endocrine and Metabolic Diseases * Neurologic Disorders * Subjects must not be currently participating in another research study that would influence their safe participation in our study