Child Inclusion Criteria:  In order to be enrolled, children must be of good health based on parental self-report. Have no learning disabilities (e.g., ADHD). Have no allergies to the foods or ingredients used in the study. Not be claustrophobic. Not be taking any medications known to influence body weight, taste, food intake, behavior, or blood flow.  7. Be 7-8 years-old at enrollment. 8. The child must speak English.  Parent Inclusion Criteria:  The parent who has the most knowledge of the child's eating behavior, media access, sleep and behavior must be available to attend the visits with their child. This would be decided among the parents. The biological mother and biological father must have a body mass index either between 18.5 - 25 kg/m2 (low-risk group) or greater than or equal to 30 kg/m2 for mothers and greater than or equal to 25 kg/m2 for fathers (high-risk group). One parent can report on both parents' BW and height.  Exclusion Criteria:  Children would be excluded if:  They are not within the age requirements (< than 7 years old or > than 8 years-old at baseline). If they are taking cold or allergy medication, or other medications known to influence cognitive function, taste, appetite, or blood flow. If they don't speak English. If they are colorblind If they report being claustrophobic. if they have a learning disability, ADD/ADHD, language delays, autism or other neurological or psychological conditions. if they have a pre-existing medical condition such as type I or type II diabetes, rheumatoid arthritis, Cushing's syndrome, Down's syndrome, food allergies, severe lactose intolerance, Prader-Willi syndrome, HIV, cancer, renal failure, or cerebral palsy. if they are allergic to foods or ingredients used in the study. if they have tattoos, permanent makeup, dental ware, pacemakers, or metal implants that would preclude safe completion of the MRI. if the child has had an X-ray in the month prior to Visits 1 and 6. If so, they will be scheduled at a later date.  Parent Exclusion Criteria:  if the biological parents have body mass indices < 18.5 kg/m2 if the mother is between 25-30 kg/m2. if the parent is unable to attend the study visits if the family reports plans to move away from the area in the next year.