Neurosurgery treats tumors that applies pressure on brain and spinal tissues or disorders that are related with such tissues. It also takes care of hernia, traumas, brain veins, internal bleedings and other resemble diseases. Some vein disorders may lead to serious diseases which cannot be treated with midcations such as Parkinson, epylepsi and etc. These kind of diseases effect living standard negatively and may be treated by neurosurgeons.