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Erectile dysfunction (ED), also referred to as impotence, is a form of sexual dysfunction in males characterized by the persistent or recurring inability to achieve or maintain a penile erection with sufficient rigidity and duration for satisfactory sexual activity.
In the initial phase of Masters and Johnson's studies, from 1957 until 1965, they recorded some of the first laboratory data on the anatomy and physiology of human sexual response based on direct observation of 382 women and 312 men in what they conservatively estimated to be "10,000 complete cycles of sexual response".
[61] [62] Amitriptyline-associated sexual dysfunction (occurring at a frequency of 6.9%) seems to be mostly confined to males with depression and is expressed predominantly as erectile dysfunction and low libido disorder, with lesser frequency of ejaculatory and orgasmic problems. The rate of sexual dysfunction in males treated for indications ...
A common cause of anorgasmia, in both women and men, is the use of antidepressants, particularly selective serotonin reuptake inhibitors (SSRIs). Though reporting of anorgasmia as a side effect of SSRIs is not precise, studies have found that 17–41% of users of such medications are affected by some form of sexual dysfunction.
Marked as VyleesiTM, it was primarily designed for both men and women in the form of an intranasal formulation, particularly for treating male erectile dysfunction. [23] However, the research was discontinued and focused on targeting female HSDD [23] in a subcutaneous injection to increase bioavailability. [3]
However, based on incomplete population based studies from the United States, Europe and Australia, unspecified arousal dysfunction (in which a woman is unable to achieve desirable genital or non-genital sexual arousal despite adequate stimulation and desire) was present in 3-9% of women aged 18–44, 5-7.5% aged 45–64 and 3-6% in women older ...
During sexual arousal, arterial blood flow to the clitoris is increased, and within the clitoris, the arteries further branch to supply the erectile tissues. The trabecular smooth muscles of the erectile tissue relax increasing blood flow to fill the vascular spaces, and expanding the erectile tissues until they are fully engorged with blood. [7]
Dr. Porkenheimer's Boner Juice – A parody of erectile dysfunction treatments (particularly Levitra), complete with the warning "If you experience an erection lasting longer than twenty-four hours, call up your friends and brag about it." Levitra's slogan "strong and lasting" is replaced by "thick and sturdy".