More from the cited article ...

... "These animals are performing at full capacity despite record-setting lead levels, making them one of the most, if not the most, lead-tolerant animals known to science," Blanchette says.

Transcriptomic analyses of the animals' brain and liver tissue showed only minor effects from lead exposure, although several altered genes were linked to metal ion regulation and oxygen transport. ...

Towns here in CT seem to be asking their residents about the water pipes feeding their homes, looking for lead pipes.

imo, it is good that the town officials do not seem to view their citizens as lead-immune lizards.