Ajman-
Sorry - I didn't get an alert
on your thread for some reason. Anyway, JNF explained it well. This doubling thing that got stuck in your head has nothing to do with men in your situation. Get it out out your head, throw it on the ground, stomp on it, and burn it.
AZGuy-
Don't worry about
the black box warning - it is just wrong. In fact, it is the only proven preventative for low grade prostate cancer (which is, of course, of no use to you):
/academic.oup.com/jnci/advance-article-abstract/doi/10.1093/jnci/djy036/4935092TJ123-
The evidence is that it does nothing to slow progression when added to ADT for recurrent PC.