Related Experiment Video

Updated: Aug 31, 2025

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making
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Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making

Published on: March 2, 2011

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The role of testosterone in male sexual function

Giovanni Corona1, Mario Maggi2

  • 1Endocrinology Unit, Medical Department, Maggiore-Bellaria Hospital, Azienda Usl, Bologna, Italy.

Reviews in Endocrine & Metabolic Disorders
|August 23, 2022
PubMed

Insights

Aging men experience declining sexual function and testosterone (T). While T replacement therapy (TRT) can help, lifestyle changes and PDE5 inhibitors are often the preferred first-line treatments for erectile dysfunction.

Area of Science:

  • Andrology
  • Gerontology
  • Sexual Medicine

Background:

  • Sexual function and testosterone levels decline with age in men.
  • The roles of testosterone (T) and T replacement therapy (TRT) in aging men's sexual health are not fully understood.
  • Erectile dysfunction (ED) is common in aging men, with complex contributing factors.

Purpose of the Study:

  • To critically review data on the contribution of low T to age-related sexual dysfunction.
  • To evaluate the efficacy of TRT and its combination with PDE5 inhibitors for ED.
  • To clarify the role of TRT in managing sexual health in aging men.

Main Methods:

  • Systematic review and critical discussion of existing scientific literature.
  • Analysis of data linking testosterone levels to sexual function in aging men.
  • Evaluation of studies on TRT and combined TRT with PDE5 inhibitors for ED.

Main Results:

  • Reduced sexual desire is strongly correlated with male hypogonadism.
  • Aging and comorbidities weaken the direct link between ED and low T.
  • TRT shows variable and modest benefits for sexual function in older men; lifestyle interventions can yield similar results.

Conclusions:

  • Phosphodiesterase type 5 inhibitors (PDE5i) combined with lifestyle modifications are recommended as first-line ED treatment, even with mild T deficiency.
  • TRT should be considered when other interventions are ineffective or impractical.
  • Further research is needed to fully elucidate the complex interplay between aging, testosterone, and male sexual health.
Keywords:
Erectile dysfunctionHypogonadismTestosteroneTestosterone replacement therapy

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