What is Erectile Dysfunction?

Erectile dysfunction or ED signifies the inability to sustain a hard erection long enough to indulge in the act of coitus. Erectile dysfunction is prevalent commonly in the elderly, but it can occur at any time irrespective of age.
Types of erectile dysfunction

Erectile dysfunction is of three types

o    A complete inability to gain erection
o    Inconsistent capacity to achieve erection
o    Tendency to maintain brief erections only