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 cultural movement that spanned roughly the 14th to the 17th century, beginning in Italy in the Late Middle Ages and later spreading to the rest of Europe. Its influence affected literature, philosophy, art, politics, science, religion, and other aspects of intellectual enquiry.