I just read this article Post-Finasteride Syndrome And Post-Ssri Sexual Dysfunction: Two Clinical Conditions Apparently Distant, But Very Close
I think there is nothing directly practically useful for us in the current state of this neuroendocrinology research.
There are two interesting aspects:
the link of gut microbiome - neurotransmitters - sex steroids (neuroactive steroids) which reminded me of your experience with the diet changes (carnivore+).
And the similarities between PFS and PSSD (DHT)
