Galen said that by following Greek practice he never misdiagnosed or made a wrong prognosis. Progress in diagnosis, treatment and prognosis in Ancient Rome was slow and patchy; doctors tended to ...

An engraving of the doctor, Galen. He was Greek by birth but practiced medicine in Ancient Rome. Galen practiced medicine in 2nd Century Rome here he was the doctor to several Roman Emperors.

After the decline and breakdown of the Roman Empire in the fifth century ... to think up experiments to prove or disprove ancient results, and Galen's findings were challenged after 1,000 years ...