Neuroprotective Effects of Testosterone full article available.
Highlights of the article:
Ten men with MS were observed by MRI before and after testosterone treatment.
VBM demonstrated an arrest of gray matter atrophy as the result of treatment.
VBM demonstrated an increase of cortical gray matter as the result of treatment.
(VBM=voxel-based morphometry, a sophisticated, objective whole-brain analysis technique)
The discussion section had some interesting observations too ...