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Erectile dysfunction (impotence)

Failure in the sexual lives of men often called impotence. However, this is not quite true. Impotence doctors consider a state in which a man under any circumstances, is unable to perform sexual intercourse. This, fortunately, does not occur very often. A coincidence or recurring problems with erectile dysfunction should be called erectile dysfunction.
Mechanisms of erection

Before you start talking about the problem of erectile dysfunction, it is necessary to refresh your memory a bit structure of the penis, as well as modern ideas about how it operates.

Penis consists of two cavernous and a spongy body. Cavernous body reminiscent of a spindle-shaped and are arranged next to each other, and the spongy body, which goes into the head of the penis is underneath. Of the penis are not linked by blood vessels. Each body has its own artery, through which blood is delivered to him, and his veins, for which the blood flows away from it.

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Of the penis in their structure resemble a sponge. They contain many small gaps, or in Latin cavities. It is this feature of their structure and makes possible the phenomenon of erection. More information about the structure of male genitalia you can read the relevant article.

When sexually aroused men in the penis following happens. Arteries that bring blood to the cavernous and spongy bodies, expand, and the veins in which blood flows away, sharply narrowed. As a result, in the bodies of the penis, or rather, in their lacunae, accumulated a significant amount of blood, each gap is strained, and there is an erection. Such a state of vessels persists throughout erection. At this time, all the tissues of the penis, with the exception of the skin, do not get the blood supply to them, and are in a state of ischemia. For very long sex acts over time this can lead to certain problems, which we'll talk.
Types and causes of erectile dysfunction

Erectile dysfunction ed may be caused by several kinds of reasons - the endocrine, medical, local, neurologic and vascular. All of this relates to the organic form of erectile dysfunction when it is due to some changes or disturbances in the body. Much more common form of psychological erectile dysfunction, in which a normal sexual life interfere with neuropsychiatric features exclusively male. In addition, almost always problems with erectile dysfunction caused by organic causes, added a psychological component, which after eliminating the underlying causes may go in the first place.
Endocrine causes of erectile dysfunction

Endocrine causes of erectile dysfunction are primarily hypogonadism - a lack of gonadal function, and low production of the male hormone testosterone. In addition to erection problems in this state, a man sees increase in voice, stopping the growth of facial hair and body fat deposition in the breasts, thighs, buttocks. Typically, such changes occur in severe violations of the hormonal system of human body, and in these cases necessarily need help endocrinologist. Fortunately, these diseases are relatively rare.