First to understand what is erectile dysfunction, impotence refers to a sexual request, the penis can not erect or erection not firm, or though a certain degree of erection and hardness, but not enough time to maintain sexual intercourse, and thus prevent sexual intercourse or sexual intercourse can not be completed .
Impotence caused by many reasons:
1, mental aspects, such as: feelings of indifference between husband and wife, or for some reason, tension generated feelings can lead to impotence; if too frequent sexual intercourse, so erectile central constant state of tension, over time, impotence can occur.
2, physiological causes, such as: central abnormal penile erection, a number of vital organs such as liver, kidney, heart, lungs suffering from serious illness, especially chronic diseases, may also affect the physiological and mental control.
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