Estrogen and testosterone are chemically related and are interconverted by enzymes in the body. This link will take you to a diagram: http://www.nsac.ns.ca/envsci/jhoyle/students/jhealy/ Biosynthesis%20of%20Steroids.htm Ken On Jan 17, 2004, at 1:23 AM, David Silberstein wrote: > On Fri, 16 Jan 2004, Philip Hart wrote: > >> >> I vaguely know that abnormally low testosterone leads to low female >> libido - is it the case that abnormally high t leads to high female >> libido? >> > > A few seconds of research indicates that it does: > > http://www.cbc.ca/national/science/testosterone.html > > Although to be thoroughly accurate, I should state that > I read an entire book on the subject: > > http://www.amazon.com/exec/obidos/tg/detail/-/0071376283 > >> I vaguely thought estrogen levels were a) coupled in some complicated >> way to t levels and b) more important in libido. > > Estrogen differs from testosterone by a very small degree; and > generally speaking a) is true. (b) is not; it is generally recognized > in the medical realm that testosterone is by far more important in > libido. >