5 of America's greatest medical breakthroughs revealed as the nation marks 250 years

America has been at the forefront of medical innovation since the nation's founding in 1776. From groundbreaking surgeries to cancer breakthroughs, U.S. physicians have helped transform nearly every field of medicine . As America marks its 250th anniversary, experts are highlighting some of the most influential medical innovations in the nation's history. John Uribe, MD, orthopedic surgeon and system chief executive at Baptist Health Orthopedic Care in Florida, said he believes the greatest brea