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Related Concept Videos

Male Sexual Response: Erection & Ejaculation01:17

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Sexual stimulation can take various forms, such as physical touch and visual or auditory cues. When this happens, the parasympathetic reflex in the sacral portion of the spinal cord is activated. This reflex stimulates the release of nitric oxide (NO), which then dilates the arterioles in the penis, increasing blood flow to the erectile tissues - the corpora cavernosa and corpus spongiosum.
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Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
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Phosphodiesterase 5 (PDE5) inhibitors are potent enzymes that function to hydrolyze cyclic nucleotides to their corresponding 5' monophosphates. Their unique biochemical properties have been applied in treating Pulmonary Arterial Hypertension (PAH).
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Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
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Male infertility affects millions of couples worldwide, arising from various factors that impact different stages of the reproductive process. An endocrine imbalance resulting from conditions like hypogonadism, Klinefelter syndrome, or pituitary disorders can disrupt hormone levels and reduce sperm production. Testicular defects, such as tumors, cryptorchidism, atrophic testes, abnormal sperm morphology, and low sperm count or motility, may arise due to genetic factors, structural...
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Menopause, a natural biological process marking the end of a woman's fertility, typically occurs between the fifth and sixth decade of life. This phase is characterized by the exhaustion of the ovarian follicle pool, leading to less responsive ovaries despite the high levels of Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH). The consequential decrease in estrogen production results in symptoms like hot flashes, heavy sweating, headaches, hair loss, muscle pains, vaginal...
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Related Experiment Video

Updated: Aug 10, 2025

Isolation of Adipose Derived Regenerative Cells for the Treatment of Erectile Dysfunction Following Radical Prostatectomy
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Does Post-COVID-19 Erectile Dysfunction Improve over Time?

Alper Gök1,2, Mehmet Altan1,2, Ahmet Emin Doğan1,2

  • 1Department of Urology, Faculty of Medicine, University of Health Sciences, Ankara 34668, Turkey.

Journal of Clinical Medicine
|February 11, 2023
PubMed
Summary
This summary is machine-generated.

Erectile dysfunction may occur after COVID-19, but it tends to improve over time, particularly after one year. Understanding the cause is key to managing this temporary condition.

Keywords:
COVID-19coronaviruserectile dysfunctionhealthcare professional

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Area of Science:

  • Urology
  • Infectious Diseases
  • Men's Health

Background:

  • Emerging evidence suggests a potential link between COVID-19 infection and increased incidence of erectile dysfunction.
  • The long-term impact of COVID-19 on erectile function remains unclear, with limited research on its persistence or reversibility.

Purpose of the Study:

  • To investigate the frequency of erectile dysfunction in individuals with a history of COVID-19.
  • To determine if erectile dysfunction post-COVID-19 improves over time.

Main Methods:

  • A cohort of 125 healthy male healthcare workers (95 with COVID-19 history, 30 without) were assessed.
  • Participants were categorized into four groups based on COVID-19 status and time since infection.
  • Erectile function was evaluated using the International Index of Erectile Function questionnaire (IIEF-5).

Main Results:

  • A significant difference in IIEF-5 scores was observed across the groups (p < 0.001).
  • Groups with later recovery times (>12 months post-COVID-19) and the control group showed significantly higher IIEF-5 scores compared to the early recovery group (<6 months).
  • No significant difference in IIEF-5 scores was found between early and mid-term recovery groups (6-12 months).

Conclusions:

  • COVID-19 may lead to temporary erectile dysfunction, with significant improvement noted beyond one year post-infection.
  • Underlying vascular, hormonal, or psychogenic factors may contribute to post-COVID-19 erectile dysfunction.
  • Identifying the cause and initiating prompt treatment are crucial for managing this condition, and patients should be informed of its potentially temporary nature.