October 2024 in “Journal of the Endocrine Society” Leydig cell tumors can cause high testosterone and symptoms in postmenopausal women, and removing them improves symptoms.
1 citations
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May 2021 in “Problemy e̊ndokrinologii” Androgen levels can increase at any age, affecting symptoms like acne, hair loss, and prostate size.
1 citations
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January 2023 in “International journal of urology” Low zinc levels are linked to low testosterone but not to sexual problems.
2 citations
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April 2019 in “Journal of Internal Medicine” Men using steroids or finasteride to look more attractive may harm their fertility and sexual function, creating a paradox where they seem fit but may be less able to reproduce.
July 2021 in “International Journal of Community Medicine and Public Health” Men with type 2 diabetes often have low testosterone and signs of hypogonadism, especially if they are overweight.
54 citations
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April 2010 in “Baillière's best practice and research in clinical endocrinology and metabolism/Baillière's best practice & research. Clinical endocrinology & metabolism” Impaired androgen production in 46,XY DSDs causes ambiguous genitalia and requires long-term care.
1 citations
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October 2024 in “BMJ Case Reports” Fertility-preserving surgery can help women with early-stage Sertoli-Leydig cell tumors conceive naturally.
February 2024 in “The Journal of Sexual Medicine” 5-α reductase inhibitors do not significantly affect male reproductive function but may reduce semen volume.
January 2001 in “대한피부과학회지” Androgenetic alopecia significantly reduces quality of life in men.
February 2021 in “Journal of The American Academy of Dermatology” Fibrosis in the bulge area of hair follicles can cause hair thinning in male pattern baldness, and drugs that inhibit fibrosis might help reverse this.
October 2025 in “Journal of the Endocrine Society” Leydig cell tumors in the ovary can cause high testosterone and male traits in postmenopausal women but are treatable with surgery.
12 citations
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June 2024 in “Nutrients” Natural antioxidants like flavonoids and resveratrol may help prevent low testosterone in aging men.
June 2018 in “The Journal of Sexual Medicine” Gray-scale ultrasound effectively detects erectile tissue fibrosis in young men with erectile dysfunction after using finasteride.
9 citations
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June 2014 in “British Journal of Dermatology” The study found that balding scalps have more thin hairs and larger oil glands, which might contribute to skin conditions related to hair loss.
1 citations
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November 2023 in “American journal of clinical pathology” Transgender men on testosterone therapy need ongoing gynecologic care due to potential cancer risks.
November 2014 in “British Journal of Dermatology” Male hair loss is mainly due to thinner hair, not less hair.
April 2017 in “Reactions Weekly” Finasteride may cause weak ejaculation and reduced semen volume.
Finasteride may improve prostate cancer therapy by enhancing testosterone's benefits and reducing risks.
53 citations
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July 2014 in “American Journal of Physiology-Endocrinology and Metabolism” Testosterone boosts red blood cell production and changes iron metabolism without needing dihydrotestosterone.
25 citations
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January 2013 in “International Journal of Trichology” Premature balding in some men may be linked to altered hormones, but it's not the male equivalent to polycystic ovary syndrome or metabolic syndrome.
21 citations
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October 2011 in “British Journal of Dermatology” Testosterone therapy helped 63% of androgen-deficient women grow scalp hair, but more research is needed.
4 citations
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January 2013 in “PubMed” Testosterone and finasteride raise insulin and zinc, lower chromium in male rats.
July 2023 in “The Journal of Clinical Endocrinology and Metabolism” Gender-affirming hormone therapy improves physical performance in trans men to the level of cisgender men, while in trans women, it increases fat mass and decreases muscle mass, with no advantage in physical performance after 2 years.
June 2021 in “Archives of Advances in Biosciences” Finasteride reduces sperm count and quality and alters hormone levels in mice.
April 2020 in “Journal of the Endocrine Society” An ovarian tumor caused a woman's male-like symptoms, which improved after surgery.
January 2010 in “Yearbook of Endocrinology” Older men with lower levels of available testosterone are more likely to be frail.
February 2026 in “Frontiers in Endocrinology” Testosterone therapy improved symptoms in a woman with congenital adrenal hyperplasia.
October 2024 in “Journal of the Endocrine Society” Rare ovarian tumors can cause hyperandrogenism, even if imaging appears normal.
October 2024 in “Journal of the Endocrine Society” A rare ovarian tumor caused high testosterone in a postmenopausal woman, resolved by surgery.
36 citations
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June 2014 in “PLOS ONE” Finasteride, a hair loss drug, may cause long-term sexual side effects due to changes in hormone receptor levels.