ECHO logo (IMAGE) Duke Clinical Research Institute Caption ECHO investigators study the effects of a broad range of early environmental influences on child health and development. For more information, visit echochildren.org. Credit ECHO Program Usage Restrictions NA License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.