I've mostly seen the opposite results, that testosterone makes a massive difference. http://www.ncbi.nlm.nih.gov/pubmed/19175758 http://www.ncbi.nlm.nih.gov/pu

I've mostly seen the opposite results, that testosterone makes a massive difference. http://www.ncbi.nlm.nih.gov/pubmed/19175758 http://www.ncbi.nlm.nih.gov/pubmed/19175758 http://www.ncbi.nlm.nih.gov/pubmed/21338606 http://www.ncbi.nlm.nih.gov/pubmed/21338606 I'm interested in learning more, can you link to some studies?