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What Is Erectile Dysfunction What Causes Erectile Dysfunction
Erectile dysfunction (ED) is one of the most common sexual problems and affects nearly 50% of all men over the age of 40 at some stage. This problem becomes even more common and more severe as men grow older. There are many causes of ED and it is thought that 70% of cases have physical causes and 30% psychological causes although often there are both physical and psychological reasons for the condition.The shaft of the penis has two chambers that fill up with blood during sexual arousal. Sexual thoughts are transmitted though the nerves to the genitals. These nerves cause the relaxing of the muscle cells in the walls of the blood vessels entering the penis. The increased blood flow fills up the two chambers in the shaft of the penis forming an erection. Therefore any condition or disease which affects either the blood flow to the penis or the nerves to the genital area can cause erectile dysfunction. |
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