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 dominant usage of the word Renaissance refers to the cultural changes that occurred in Italy that culminated in the High Renaissance around 1500-1530. This concept applies dominantly to the visual arts, and the work of Michelangelo, Raphael, and Leonardo da Vinci.