Erectile dysfunction is inability to achieve and maintain an erection needed for sexual intercourse and one of the most common sexual male problems. However, this term is actually more wide and comprises different sexual male disorders. There are five basic criteria, on the basis of which a man can be considered impotent: No sexual desire to a woman; inability to achieve sufficient erection even with the presence of sexual desire; inability to commit movement frictions within a certain time required for them; no orgasm with a woman no orgasm on such conditions in which most men are able to perform a proper sexual act. What are erectile dysfunction […]