Add Yahoo as a preferred source to see more of our stories on Google. Sapporo University Professor Juro Wada examines Nobuo Miyazaki after Japan's first heart transplant operation at the Sapporo ...

Even if you think you learned everything that you needed to know way back in biology class, everyone has knowledge gaps. And often you’re not even aware that they exist. There are tons of things we ...

EDITOR’S NOTE: Watch “Dr. Sanjay Gupta Reports: Animal Pharm” on Sunday, May 18, at 8 p.m. ET/PT on CNN. There were more than 48,000 organ transplants in the United States last year. They’re ...

There were more than 48,000 organ transplants in the United States last year. They’re commonplace now, but the practice was considered experimental only a half-century ago. Until just the past few ...