I was wondering what causes penile shrinkage, atrophy, in the sense in the texture becomes a lot more coarse, rubbery like, prominent veins that weren't there before, loss of sensation. Sometimes cold. Like there is no blood flow down there. If it is hormones, then which hormones is it there is too litlle or too much of? There are a few people who have brought up the subject, but I never found a post where someone has resolved it. This is my most worrisome symptom, but it might be the only one that causes lasting damage. Can the shrinkage we talk about here be restored to normal size pre-problems, or is there actual tissue loss?