ERECTILE DYSFUNCTION - OVERVIEW

Erectile dysfunction (ED) is the persistent inability to sustain an erection of sufficient rigidity and duration, in order to achieve satisfactory penetration during sexual intercourse.

The incidence of ED increases with age, with up to 25% of 65 year old men experiencing ED on a long-term basis. With increased awareness of this condition, and with better medical care and increased life expectancy, the quality of erection and sexual function has become an important component of healthy aging. ED is, however, not an unavoidable consequence of aging and should not be considered normal at any age.

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For an erection to occur, 3 things must be present:

1. Nerves to the penis must be functioning properly
2. Blood circulation to the penis must be adequate
3. There must be a stimulus from the brain


Anything which causes a disruption to any of these factors, can potentially cause ED. This would include psychological causes, physical causes, or a combination of the two.

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