[tanysquirrel]

check this out ( i am sure some have already seen it before)

http://www.ncbi.nlm.nih.gov/pubmed/18980961

has to do with the study of hypothalamus being same size as a genetic female , in male to female transsexuals.. only problem is : to determine the size, the patient has to have their hypothalamus measured post mortem... (When they are dead).