Because of continuous violent blows to the head, you have a condition particular to boxers called cavum septum pellucidum, which is a hole in the membrane separating the ventricles.
Sest kui löögi vastu pead jätkuvad on sul seisund mida poksijad kutsuvad-cavum septum pellucidum- mis on auk membraanis ajuvatsakeste eraldumine.