As we know from studies already posted, finasteride down regulates VEGF:
VEGF is a key protein in the process of angiogenesis, the development of new blood vessels from old ones.
Intercavernosal injection VEGF was shown to reverse erectile dysfunction in rats.
ncbi.nlm.nih.gov/pubmed/16140112
It’s not hard to join the dots.
So the question is, should we be doing things to try and increase angiogenesis? and possibly aid our recovery? I think so.
Here is a link to a study on herbal extracts which have shown effects on angiogenesis: