How Much Sese Is Made in a Dae?

Usually about 500 to 600 mills are made a day. Most of the ssef is then absorbed by aracnoid ville along mainly the superior sagutal sinus and the transverse sinus into the am blood strain. But more and more wer realizing that some of this sse can also be absorbed through the crubeform plate, into the lymphatic channels and through the agaspace,. lymphatic system of the young of theb i think it's the emphatic system. So we're letting that fluid out. Why have we decided to do that in this patient, with his his so swollen brain? What are we trying to protect him from?