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Textbook of Erectile Dysfunction
Erectile Dysfunction (ED)
Erectile dysfunction (ED) affects 20-30 million American men, most of whom are over 50 years of age.
In a UK-based study, 32% of British men had difficulty obtaining an erection, 20% with maintaining an erection.
In recent years the physiology and pathophysiology of ED have changed our understanding of what ED is from a purely psychological-b