Need making big and harder penis

How 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
How 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 is the normal size of the penis ?
It ranges from 4 to 8 inches after full erection , and this depends on certain factors such as the bodybuilt and the genetic inheritance
What are the causes of Erectile dysfucntion ?

• Anxiety and stress .
• Depression .
• Old age .
• Diabetes .
• Side effects of medications such as Antidepressants .
• Varicocele .
• Prostatic diseases .
• Chronic diseases .