Lead in urban settings (IMAGE) Duke University Caption Lead contamination from pre-1970s leaded gasoline or lead paint still persists in some urban soils and can pose human health risks if it is ingested and absorbed into the body. Credit Credit: Duke University Usage Restrictions None 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.