SSRI's are well known(for a long time) to cause sexual problems and the way I read it the study cited attempts to find out if it's related to testosterone levels, both total levels AND free
test levels.
Yes depression by itself definitly lowers libido, BUT the fact that SSRI's lift the depression AND still the high incidence of lowered libido makes this study due and something to consider.
There are so many stories about SSRI's and sexual problems out there (lots of people are too embarrassed to tell the docter about them) how do you explain it?
And if you had low
test to begin with, for sure these meds could push you over into ED territory.