Male erectile dysfunction is defined as the inability to achieve or maintain a penis erection sufficient for mutually satisfying intercourse. Erectile dysfunction/impotence impacts more than a man's sexual activity. The emotions and uncertainties that coincide with this men's sexual condition often have a significant effect on a man's health and self-esteem, as well as, his relationship with his sexual partner.

Although the incidence of impotence increases with age, it is not an inevitable result of man's aging.

Today, a generation of men's erectile dysfunction research has resulted in significant advances in both the diagnosis and treatment of men's sexual dysfunction. Physicians now understand that approximately eighty-five percent of erectile dysfunction is attributable to physical/organic conditions while only fifteen percent is due to psychological or mixed origin (both psychological and organic).