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What is the normal size of the penis ?
It ranges from 10 to 20 CM after full erection , and this depends on certain factors such as the bodybuilt and the genetic inheritance
Methods to increase the Size of the penis :
Actually , there is no effective method until now which can increase the size of the penis . Howevere here are some of the methods which are practiced in many medical centers including Injection of Silicon into the penis or Injection of Fat into the penis . Howevere there are other methods which need surgery to increase the length of the penis
Methods to increase the power of Erection of the penis :
You have to eat well balanced and healthy diet that contains vitamins and proteins and to Exercise your body regularly to increase the power of erection of the penis . You can also use medication to increase erection such as multivitamins and medications such as Viagra before intercourse
What are the causes of Small sized penis ?

• Normal size .
• Hormonal diseases .
• genetic problems .
• Environmental factors .
• Erectile dysfucntion .