Findings of the ACE Study have had a swift and substantial impact on MCH policy, practice and research. This issue of the journal is intended to provide a forum to enhance knowledge of the Study and its implications across the field. Topics of interest include: The aims and findings of the ACE Study, The implications of the Study and use of Study findings to shape MCH practice in clinical, program and policy settings, The import of the Study in relation to life course theory and the social...