rial board of several scientific journals and is a member of the Core Scientific Advisory Panel for the MacArthur Foundation Network on Psychopathology and Development and the Psychobiology of Affective Disorders and the Robert Wood Johnson Foundation Research Network on the Etiology of Tobacco Dependence. She has also served on review committees of the National Institute of Mental Health, the National Institute of Drug Abuse, and the National Advisory Mental Health Council Work Group on Mental Disorders Prevention Research and several scientific organizations abroad. Dr. Merikangas has recently joined the National Advisory Council of the National Institute of Drug Abuse. Her major research interests are sources of familial aggregation of psychopathology, comorbidity of mental disorders and substance abuse, vulnerability factors for emotional and behavioral problems in youth, and the public-health impact of prevention.