A Study of Chewing Gum, Snacking and Appetite

Inclusion Criteria: * Females * 18 years of age and older * Healthy weight: BMI between 18.5 and 24.9 kg/m2, inclusive * Obese: BMI between 30 - 38 kg/m2, inclusive * No clinical evidence of cardiovascular, metabolic, respiratory, renal, gastrointestinal or hepatic disease * Unrestrained eater (score \< 10 on the Three Factor Eating Questionnaire) Exclusion Criteria: * Pregnant and/or lactating or planning for pregnancy * Allergies or intolerances to foods consumed in the study * Fasting blood glucose \> 110 mg/dL. Subjects identified with elevated fasting blood glucose levels will be will be advised to contact their primary care physician for appropriate follow-up care. * Taking over the counter supplements that may interfere with the study procedures or endpoints * Taking prescription medications that may interfere with study procedures or endpoints (medications that affect appetite, unstable dose of hormones \<6 months) * Subjects with unusual dietary habits (e.g. pica) * Actively losing weight or trying to lose weight (unstable body weight fluctuations of \> 5 kg in a 60 day period) * Excessive exercisers or trained athletes * Addicted to drugs and/or alcohol * Medically documented psychiatric or neurological disturbances * Smoker (past smoker may be allowed if cessation is \> 2 years)