Erectile dysfunction (ED), also called impotence, is characterized by a man's inability to have an erection hard enough to have sex or to keep an erection long enough to finish having sex.
ED affects over 15 million men in the U.S. The normal physiology of erection involves a complex series of events. The
Source: ADAM Encyclopedia
The doctor typically interviews the patient about various physical and psychological factors and performs a physical exam.Medical HistoryThe doctor... Read more »