Editing Erectile dysfunction (section)

==Signs and symptoms==
ED is characterized by the persistent or recurring inability to achieve or maintain an [[erection]] of the [[Human penis|penis]] with sufficient rigidity and duration for satisfactory [[sexual activity]].<ref name=":1" /> It is defined as the "persistent or recurrent inability to achieve and maintain a penile erection of sufficient rigidity to permit satisfactory sexual activity for at least 3 months."<ref name="LMCC">Chowdhury SH, Cozma AI, Chowdhury JH. Erectile Dysfunction. Essentials for the Canadian Medical Licensing Exam: Review and Prep for MCCQE Part I. 2nd edition. Wolters Kluwer. Hong Kong. 2017.</ref>

===Psychological impact===
ED often has an impact on the emotional well-being of both males and their partners.<ref name=":1" /> Many males do not seek treatment due to feelings of embarrassment. About 75% of diagnosed cases of ED go untreated.<ref>{{cite journal |vauthors=Frederick LR, Cakir OO, Arora H, Helfand BT, McVary KT |date=October 2014 |title=Undertreatment of erectile dysfunction: claims analysis of 6.2 million patients |editor-last=Mulhall |editor-first=JP |journal=[[The Journal of Sexual Medicine]] |publisher=[[Wiley (publisher)|John Wiley & Sons]] on behalf of the [[International Society for Sexual Medicine]] |volume=11 |issue=10 |pages=2546–53 |doi=10.1111/jsm.12647 |issn=1743-6109 |pmid=25059314 |s2cid=9708426}}</ref>