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 ...

A man lived for 171 days with a genetically modified pig liver, the greatest advance to date in xenotransplantation.

For generations, medical students were taught that the map of the human body was essentially complete. Yet cancer imaging has ...

Surgeons and doctors often rely on artificial models to practice delicate procedures. Yet most training tissues feel stiff, simple, and far from realistic. That gap between training models and real ...