A pig kidney kept an Alabama woman alive for five months - longer than anyone ever before. Doctors aren't sure yet why it suddenly stopped.

Surgeons at NYU Langone Health in New York City had to remove a genetically modified pig kidney from Towana Looney, 53, of Gadsden, Ala., because her body rejected the organ. She's back on dialysis.

A pair of glamorous medical students have come under attack after mocking a patient before she tragically died following ...