Some women can’t take hormone replacement therapy to alleviate hot flashes and night sweats. This medication is one alternative.

Trump waded intro controversial territory with his comments in Ireland.

Bacteria have transformed some viruses — now called gene-transfer agents — into a means of exchanging genetic material among themselves.

Pittsburgh helped pioneer the polio vaccine. Now, as measles cases rise across Pennsylvania, an epidemiologist explains the disease and the vaccine that prevents it.