A Comparison of Measurements of Ketone Body Flux Versus Ketone Body Concentration as a Pharmacodynamic Marker of Hepatic Fatty Acid Oxidation (0000-110)

Inclusion Criteria: * Subject has a Body Mass Index of 18-25 kg/m2 OR 29-40 kg/m2 * Subject has been a nonsmoker or has not used nicotine for the past 6 months Exclusion Criteria: * Subject has a history of diabetes mellitus * Subject has a history of stroke, chronic seizures, or other neurological disorder * Subject has a history of cancer, except certain skin cancers * Subject consumes more than 3 alcoholic beverages per day * Subject consumes more than 6 servings of caffeinated beverages per day * Subject has multiple and/or severe allergies to food or drugs * Subject has allergy or sensitivity to eggs or soy * Subject regularly uses illicit drugs or has a history of drug or alcohol abuse