What is erectile dysfunction? Erectile dysfunction can be defined as a particular condition of the male reproductive organ where it becomes unable to achieve or sustain a hard and erect state of being. The root cause behind this happening is the deficient flow of blood to the penile organ, which requires blood to fully fill its erectile tissues so that it can be able to attain hardness and erection. However, as the male organ doesn't receive enough amount of blood for such purposes, it is rendered impotent for copulation. How is it caused exactly? The prime and foremost causative factor of...