Adena Burial Mound Pipe Sculpture (IMAGE) University of Cincinnati Caption The 2000-year-old pipe sculpture's bulging neck is evidence of thyroid disease as a result of iodine deficient water and soil in the ancient Ohio Valley. Credit Kenneth Tankersley 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.