The Effects of Feeding Different Levels of Docosahexaenoic Acid to Pre-School Children

Inclusion Criteria: * Child is 3 years of age ± 90 days * Weight for length is within 10th to 90th percentile as plotted on WHO growth charts * Parent/caregiver reports that child consumes at least 6 oz of cow milk or cow milk-based beverages on a daily basis * Parent is willing to exclude sources of DHA from child's diet during the study * Parent agrees not to give vitamins to child during the study * English is the primary language in the home * Signed Informed Consent and Protected Health Information Exclusion Criteria: * Gestational age at birth ≤ 36 weeks * History of neuro/psychiatric conditions * History of underlying metabolic or chronic disease * Child is ill, has used antihistamines or diagnosed with an infection at time of cognitive testing * History of suspected or known cow milk protein intolerance * Child's diet contains sources of supplemental DHA more than one time per week * Child is from a multiple birth and the sibling(s) are living in the same household * Child is enrolled in another interventional clinical research study * Use of antihistamines within 12 hours of cognitive testing