Moderna and Merck & Co. have developed a cancer vaccine that cuts the risk of death or recurrence of most deadly skin cancer by 44 percent compared to Merck's Keytruda on its own, according to researchers.
It’s been a month since a Maryland man became the second person to receive a transplanted heart from a pig –- and hospital video released Friday shows he’s working hard to recover.
CVS Health is pulling from its shelves some cough-and-cold treatments that contain an ingredient that has been deemed ineffective by doctors and researchers.