 At the laboratory, five treatments of: a 2 whole eggs, b 2 egg whites, c 2 egg yolks, d full fat yogurt isocaloric to the 2 whole eggs, and e snack skipping will be provided to children 9-14 years on separate days at least 7 days apart. Cognitive performance, subjective emotionmood, and subjective appetite, as well as glucose, insulin, incretin hormones glucagon like peptide1 GLP1 and cholecystokinin CCK,dipeptidyl peptidase 4 DPP4, amino acids, fatty acids, and choline will be measured for 90-minutes following snack consumption n25. Cognitive performance assessments will include learning and memory, spatial memory, attention and processing speed, and executive functions. 