Non-compliance

This clinical trial will measure Docosahexaenic Acid (DHA) levels in the blood and evaluate the relation to cognitive outcomes.

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