Related Experiment Video
Updated: Dec 28, 2025

11:51
Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making
Published on: March 2, 2011
15.5K
Low Testosterone in Adolescents & Young Adults
Jordan Cohen1, Daniel E Nassau2, Premal Patel1
1Department of Urology, University of Miami Miller School of Medicine, Miami, FL, United States.
Frontiers in Endocrinology
|February 18, 2020
Summary
Male hypogonadism affects all ages, with unique diagnostic challenges in younger men who often present with low energy. Treatment requires careful consideration of fertility goals, preferring agents that preserve spermatogenesis.
Area of Science:
- Endocrinology
- Men's Health
- Reproductive Medicine
Background:
- Male hypogonadism is a clinical syndrome of gonadal dysfunction impacting men across all age groups.
- Physiological aging causes decreased testosterone in older men, while congenital or acquired conditions affect younger males.
- Diagnosis in younger men is challenging due to atypical symptoms like low energy instead of decreased libido or erectile dysfunction.
Purpose of the Study:
- To highlight the diagnostic challenges of male hypogonadism in younger populations.
- To discuss the impact of various etiologies, including congenital, acquired, and lifestyle factors, on testosterone levels.
- To explore therapeutic dilemmas, particularly concerning fertility, in young men with hypogonadism.
Main Methods:
- Review of current literature on male hypogonadism diagnosis and treatment.
- Analysis of age-specific presentations and etiologies of hypogonadism.
- Evaluation of pharmacologic testosterone therapy and alternative agents concerning spermatogenesis.
Main Results:
- Younger men with hypogonadism often present with low energy, complicating diagnosis.
- Acquired conditions like obesity, diabetes, and substance use are associated with low testosterone.
- Standard testosterone therapy can impair fertility by suppressing spermatogenesis.
Conclusions:
- High clinical suspicion is crucial for diagnosing hypogonadism in young men.
- Treatment strategies must address the underlying cause and prioritize fertility preservation.
- Alternative agents like intranasal testosterone, SERMs, aromatase inhibitors, or hCG are preferred for young men desiring paternity.
Related Concept Videos
Testosterone: Functions and Regulation
1.9K
The intricate hormonal interplay essential for male reproductive health begins with the release of gonadotropin-releasing hormone (GnRH) by the hypothalamus. This hormone prompts the pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). LH targets the Leydig cells in the testes, stimulating them to produce and release testosterone. In concert with testosterone, FSH acts on the Sertoli cells within the seminiferous tubules to facilitate the release of...
1.9K
Signs of Puberty
1.2K
Puberty is a critical phase, typically beginning between the ages of 8 and 13 in girls and 9 and 14 in boys, though timing can vary based on genetics, environmental factors, and overall health. This period is characterized by the development of secondary sexual characteristics and the attainment of reproductive potential. Endocrine changes underpin puberty, with hormonal surges of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH) instigated by Gonadotropin-Releasing Hormone (GnRH)...
1.2K
Menopause
3.5K
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...
3.5K
Disorders of the Male Reproductive System
3.9K
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.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
3.9K
Infertility in Males
486
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...
486
Bone Disorders
5.0K
Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
5.0K

