Erectile dysfunction is a disruption of blood circulation in the vessels of the penis, which makes it impossible to perform sexual intercourse. Often this term is replaced by the term “impotence,” but “impotence” has a broader meaning and includes a reduced libido, the inability of fertilization. The term “erectile dysfunction” is used when a man has no erection. Causes of weak erection 30 years ago people only knew erectile dysfunction psychological causes , but in recent years it has been…