Normal immune cells that live near milk ducts in healthy breast tissue may play a key role in helping early breast cancer cells leave the breast for other parts of the body, researchers say.

Male physicians in the U.S. – across almost every specialty – took in more money from the biomedical industry in 2015 than their female peers, a new study suggests.

Pfizer’s talazoparib for advanced breast cancer was demonstrated to be superior to chemotherapy in a late-stage study.

A Zika vaccine Sanofi SA dropped during September 2017 under political pressure over pricing produced strong responses in more than 90 percent of those taking part in an early-stage clinical trial, U.S. researchers reported.