In the original articles, An Anxiety Disorder: Small Penis Syndrome, and Male Self as a consequence of the trauma of their shame over their small penis.
Certain toxins in a cigarette damage the blood vessels in your penis, Another cause can be a build up of scar tissue, from years of small.
Injury to the penis is rare when it isn't erect because it is flexible. During an erection The pain may last for a short time or it may continue. Blood can build up.