4 citations
,
January 2023 in “Andrology” The testes produce sperm and hormones essential for male development.
February 2017 in “The Journal of Sexual Medicine” Finasteride for hair loss can cause erectile dysfunction due to tissue fibrosis.
16 citations
,
July 2012 in “The New England Journal of Medicine” The patient was diagnosed with anorexia nervosa and severe malnutrition, requiring urgent refeeding and monitoring.
2 citations
,
March 2022 in “Laboratory Animal Research” A mild botulinum toxin injection improved sperm production and movement in aging mice.
11 citations
,
January 2000 in “Der Hautarzt” Male hypogonadism affects skin and hair, causing thin skin, less hair, and skin reactions to treatment.
June 2015 in “Sonography” Ultrasound is effective for diagnosing scrotal cysts, and prompt treatment is crucial to prevent severe complications.
January 2003 in “Journal für Kardiologie (Krause & Pachernegg GmbH)” Testosterone therapy can improve skin and hair in men with low testosterone but may cause skin irritation with certain treatments.
12 citations
,
January 2016 in “Endocrinology, diabetes & metabolism case reports” Testosterone therapy improved physical and social health in a male with 49,XXXXY syndrome.
May 2007 in “The Journal of Urology” Finasteride lowers PSA levels in men, certain factors increase testicular cancer risk, and current guidelines for penile cancer may lead to unnecessary surgeries.
September 2012 in “African Journal of Urology” Testosterone replacement therapy improves libido, mood, muscle strength, and bone density in men with Testosterone Deficiency Syndrome.
October 2010 in “Journal of Men's Health” Larger prostate size in older men may be linked to poorer semen quality and fertility issues.
October 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” A small BOTOX dose improved sperm production and movement in older mice.
35 citations
,
March 2014 in “British Journal of Dermatology” Hair loss in male pattern baldness involves muscle degeneration and increased scalp fat.
March 2026 in “Frontiers in Medicine” High-dose testosterone with finasteride improves muscle health in males with spinal cord injury.
3 citations
,
October 1995 in “Southern Medical Journal” Finasteride may cause breast enlargement, low testosterone a risk factor.
6 citations
,
January 2016 in “International Journal of Andrology” Bald men may have a lower risk of testicular cancer.
64 citations
,
August 1999 in “The American journal of medicine” The transscrotal testosterone patch normalizes hormone levels in men with AIDS and weight loss but does not improve weight, body mass, or quality of life.
August 2025 in “International Journal of Cancer” Childhood and adult height, and early immune-related hospitalizations increase testicular cancer risk, while baldness, larger families, and sports reduce it.
May 2012 in “Reactions Weekly” A man developed hair loss from testosterone treatment but improved with additional medication.
1 citations
,
August 2013 in “PubMed” Testosterone changes reduce thyroxin levels in rats.
2 citations
,
December 2017 in “Theriogenology” Testosterone increases acidification in the vas deferens by up-regulating V-ATPase.
72 citations
,
October 1998 in “Baillière's clinical endocrinology and metabolism” Long-term testosterone therapy can cause hormone suppression, affect prostate and heart health, and alter physical characteristics, but does not increase prostate cancer risk and needs more research for full risk assessment.
11 citations
,
July 1991 in “Veterinary Pathology” A dog had a rare skin condition linked to gland and pituitary issues.
2 citations
,
January 2019 in “BMC Cancer” Baldness may lower the risk of testicular cancer.
7 citations
,
April 2000 in “Archives of Pathology & Laboratory Medicine” February 2026 in “Andrology” Post-orchidectomy semen has better DNA integrity for fertility treatments.
6 citations
,
November 2018 in “Journal of molecular histology” Testosterone increases fluid secretion and aquaporin expression in the vas deferens, which is important for male fertility.
1 citations
,
September 2016 in “Veterinary dermatology” A combination of ciclosporin and ketoconazole can effectively treat severe hair loss in dogs.
8 citations
,
January 2017 in “Fertility and Sterility” Urologic diseases and treatments in older men can negatively affect fertility, and doctors should talk to patients about this.
October 2022 in “Endocrine journal” Testosterone and dihydrotestosterone treatments can help with penile growth in males with 5α-reductase type 2 deficiency, with dihydrotestosterone being more effective in infancy.