Inclusion Criteria:  BMI between 18.5-40 kg/m2 Not pregnant or planning to become pregnant during study participation Residing in the Roanoke area and/or willing/able to attend sessions at the Fralin Biomedical Research Institute Able to speak and write in English Specific to fMRI scan only: BMI between 25-35 kg/m2  Exclusion Criteria:  Current inhaled nicotine use History of alcohol dependence. Current or past diagnosis of diabetes or thyroid problems. Glycated hemoglobin (Hemoglobin A1C) >5.7% Taking medications known to influence study measures (including antiglycemic agents, thyroid medications, sleep medications) Active medical or neurologic disorder. Recent change in body weight (gain or loss of > 5 lbs within the past 3 months) Current shift work (typical pattern of work/activity overnight) Previous weight loss surgery Adherence to a special diet within the past 3 months (e.g., low-carb or ketogenic diet, exclusion of food groups/specific macronutrients, intermittent fasting, etc.) Allergy to any food or ingredient included in the study diets, meals, or beverages Currently pregnant or planning to become pregnant during study participation Claustrophobia Contraindications for MRI, including pacemaker, aneurysm clips, neurostimulators, cochlear or other implants, metal in eyes, regular work with steel, etc. (Note: This is an fMRI-specific exclusion criterion. Participants may be allowed to participate in all other study sessions and measures that do not involve fMRI.) Contraindications for bioelectrical impedance analysis, specifically implanted devices