birth defects

However, scientists still aren't sure if the virus is linked to serious birth defects.

The U.S. agency is sending a team to Brazil to conduct more studies on the risks facing pregnant women.

The mosquito-borne virus could be responsible for recent birth defects in other countries.

The fact that 20 percent of global marriages take place between first cousins and most societies, including Europe and Canada, consider cousin marriages to be legal should give us a pause.