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Erectile dysfunction is the lack or loss of ability in achieving and maintaining an erection even with great level of stimulation and sexual desires. Erectile dysfunction is also known as ED and impotence.
One corpus spongium and two corpora which is the erectile tissue are the 3 chambers that the penis is made of. During sexual arousal, nitric oxide is secreted in the body making the arousal possible. Blood vessels are also dilated and the penis is filled with blood during this phase. The arousal usually last until the time that the orgasm is fulfilled or ejaculated.
Nervous system is the one responsible in controlling and regulating penile erection. In the phase of sexual stimulation, a compound is released to give the body a vasodilatation effect alongside with the relaxation of the smooth muscles of cavernosal or penis. With this, penile erection is achieved. The nerve ending of the body releases nitric oxide by means of activating guanylate cyclase which ends up as a cGMP that is considered as the secondary messenger that makes the smooth muscles relaxation to help the veins swell up with blood and penile tumescence.
An increase of almost seven folds in the blood flow to their corpora cavernosa of a man is experienced when he is having a sexual stimulation. This happens because of his nerve impulses leads to relaxation. An erection is produced as this rapid flow of blood is spread out to the spongy tissues and flattens, lengthens and hardens the penis of a man. Maintained sexual cravings prolong the rapid flow of blood which keeps the penis hard and stiff. By the time that the ejaculation happened, the spongy tissues are drained from the excess blood and the penis will now return to its normal loose state.
With the help of the on-going development of our research about the cause of having some sexual dysfunction and impotence, the medical technologies point-of-view in has been changed. Lately, it was found out that the usual cause of impotence and sexual dysfunction is merely depends on the mental, emotional or psychological factors of the person involved. Stress, anxiety and fears that the person experienced are also considered as one of the reasons of this problems. But even though many of the said factors really have a big responsibility in developing this problems, most of our medical experts still believed that physical actor gives the most cause of impotence. Anything that will be put on the penis which can interfere with the blood flowing on it can hinder one’s proper sexual function.
It is assumed by many that when a person often experienced stress, anxiety and fear in his daily life, almost all erectile dysfunctions may develop and occur. Although these factors are a great cause of the problem, it is still believed that having impotence is because of a hindrance in the blood flowing in through the penis.
Anything that interrupts the step mentioned or the sensitive delicate balance among them that can help in achieving an erection will be possible to just end up as an erectile dysfunction. There are 2 causes of ED, it can be a physical ED, nonphysical ED or can be both at the same time.


