Air pollution and newborns (IMAGE) University of the Basque Country Caption Air pollution affects the thyroid glands, and thyroid hormones are essential for regulating foetal growth and metabolism and play an important role in neurological development. Credit Bernat Alberdi Usage Restrictions None 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.