Surgery is rarely needed for sciatica. But a type of surgery called lumbar decompression surgery may be considered if: the condition has an identifiable cause, such as a slipped disc. the symptoms haven't responded to other forms of treatment.
Known as the Renaissance, the period immediately following the Middle Ages in Europe saw a great revival of interest in the classical learning and values of ancient Greece and Rome.
The Renaissance was a period of rebirth in arts, science and European society. It was a time of transition from the ancient world to the modern.