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  2. Erection - Wikipedia

    en.wikipedia.org/wiki/Erection

    An erection (clinically: penile erection or penile tumescence) is a physiological phenomenon in which the penis becomes firm, engorged, and enlarged. Penile erection is the result of a complex interaction of psychological, neural, vascular, and endocrine factors, and is often associated with sexual arousal, sexual attraction or libido, although erections can also be spontaneous.

  3. Nocturnal penile tumescence - Wikipedia

    en.wikipedia.org/wiki/Nocturnal_penile_tumescence

    The goal of nocturnal penile tumescence testing is to determine whether one can experience an erection while sleeping after reporting that they are unable to experience an erection while awake. On average, one has 3–5 episodes of NPT each night, and each episode lasts 30–60 minutes, although the duration is reduced with advanced age. [ 16 ]

  4. Priapism - Wikipedia

    en.wikipedia.org/wiki/Priapism

    Medical evaluation is recommended for erections that last for longer than four hours. Pain can often be reduced with a dorsal penile nerve block or penile ring block. [3] For those with nonischemic priapism, cold packs and pressure to the area may be sufficient. [3]

  5. 4 Common ED Pills: Weighing the Pros & Cons of Each - AOL

    www.aol.com/4-common-ed-pills-weighing-141800609...

    Its long duration means side effects could last longer than with other ED pills. Tadalafil Pros Tadalafil has a half-life of 17.5 hours — it remains active in your body for far longer than other ...

  6. Clitoral erection - Wikipedia

    en.wikipedia.org/wiki/Clitoral_erection

    Clitoral erection (also known as clitoral tumescence or female erection) [1] [2] is a physiological phenomenon where the clitoris becomes enlarged and firm. Clitoral erection is the result of a complex interaction of psychological, neural, vascular, and endocrine factors, and is usually, though not exclusively, associated with sexual arousal .

  7. Sexual arousal - Wikipedia

    en.wikipedia.org/wiki/Sexual_arousal

    After their mid-forties, some men report that they do not always have an erection when they are sexually aroused. [9] Equally, a male erection can occur during sleep (nocturnal penile tumescence) without conscious sexual arousal or due to mechanical stimulation (e.g., rubbing against the bed sheet) alone. A young man—or one with a strong ...

  8. How Long Does It Take for L-Citrulline to Work for ED? - AOL

    www.aol.com/long-does-l-citrulline-ed-105700234.html

    Like the potion guide in your favorite video games, we can point you to the best drink to last longer in bed and drinks to increase arousal, as well as give you the honest answer about whether ...

  9. Refractory period (sex) - Wikipedia

    en.wikipedia.org/wiki/Refractory_period_(sex)

    Although the refractory period varies widely among individuals, ranging from minutes to days, [4] [5] [6] most men cannot achieve or maintain an erection during this time, and many perceive a psychological feeling of satisfaction and are temporarily uninterested in further sexual activity; the penis may be hypersensitive, and further sexual stimulation may feel painful during this time frame.