Multiple Body Burdens (IMAGE) Brown University Caption More than half of women of childbearing age had high levels of at least two of the three toxicants in the study that could harm brain development. Credit Brown University Usage Restrictions with credit License Licensed 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.