Lead in the air ends up in our bones throughout history

Italian remains show that people have been breathing in lead for thousands of years

Photo of an excavation of a grave in Rome in 1992, with people oncvoering skeletons in graves
The 1992 excavation of the grave under the Palazzo della Cancelleria in central Rome, where several of the samples were collected. Credit: Alfredo Coppa_Sapienza University-Rome