What are your questions about health risks from lead?

Doctors in China have become the first to report details about a transplant of a genetically modified pig liver into a human. The liver was transplanted last year into a

Four more health-care workers who tended to a person hospitalized with H5N1 bird flu have revealed that they had respiratory symptoms after their exposures, according to the US Centers for

In the early 2000s, when Dr. Alexandra Cvijanovich was completing her medical training in Utah, her team cared for a 13-year-old boy with subacute sclerosing panencephalitis, a degenerative neurological disease

Milwaukee announced Monday the temporary closure of two more schools as the city works to address a lead crisis in its public schools. The district is also presenting an updated