10 citations
,
January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.
9 citations
,
August 1952 in “The Journal of Clinical Endocrinology & Metabolism” A 17-year-old female with adrenogenital syndrome produces very high levels of androgens, which prevent complete feminization despite high estrogen doses.
May 2017 in “Urology and andrology” Finasteride and dutasteride, used for prostate issues and hair loss, can cause side effects like sexual dysfunction and mental issues, which may continue even after stopping the medication, a condition called post-finasteride syndrome, for which there's currently no cure.
August 2025 in “Journal of the Pakistan Medical Association” Skin issues might be linked to infertility.
31 citations
,
December 2010 in “International Journal of Andrology” Men with testicular cancer were less likely to experience baldness and severe acne.
16 citations
,
January 2017 in “Asian journal of andrology/Asian Journal of Andrology” Men who start puberty later may have lower sperm quality and different hormone levels in adulthood.
September 1978 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry” 4 citations
,
January 2006 in “PubMed” DHT deficiency may disrupt rat epididymis function by affecting estrogen receptors.
3 citations
,
January 2021 in “Andrology” Low androgen levels reduce nitric oxide production in rat penile cells.
41 citations
,
March 2016 in “The Journal of Clinical Endocrinology & Metabolism” In STSD patients, the body compensates for low androgen levels by increasing another enzyme's activity.
491 citations
,
July 2000 in “The Journal of Clinical Endocrinology and Metabolism” Polycystic ovary syndrome is found in 6.5% of unselected Caucasian women in Spain.
November 2022 in “Journal of the Endocrine Society” A rare ovarian tumor caused high testosterone and excess hair in a woman, which was resolved after tumor removal.
April 2016 in “The Journal of Sexual Medicine” 1 citations
,
August 2022 in “Case Reports” A rare ovarian tumor caused high testosterone, hair loss, and missed periods, but surgery fixed these issues and led to pregnancy.
43 citations
,
January 2016 in “International Journal of Andrology” Finasteride caused long-term sexual and non-sexual side effects in young men with hair loss.
May 2019 in “Hair transplant forum international” Finasteride does not cause sexual dysfunction in men with hair loss.
54 citations
,
November 1995 in “The Journal of Clinical Endocrinology & Metabolism” Females with 5 alpha-reductase-2 deficiency have less body hair, no acne, normal fertility, and delayed menarche.
5 citations
,
January 1976 in “Journal of Endocrinology” Oriental men may have lower androgen activity affecting hair growth despite similar testosterone levels to Caucasian men.
1 citations
,
January 2015 in “Journal of Clinical Toxicology” Babies were mostly born healthy from fathers who took finasteride, but some pregnancies ended early; more research is needed.
January 2020 in “Skinmed” Zinc levels are not significantly different in people with hair loss conditions like Androgenetic Alopecia and Alopecia Areata.
Accurate diagnosis of PCOS requires comprehensive androgen measurement.
Finasteride and testosterone are the drugs most linked to male infertility, but many other potential drugs may be under-reported.
April 2020 in “Journal of the Endocrine Society” A rare ovarian tumor caused high male hormone levels, but surgery fixed it.
Finasteride may affect female fertility by altering gene activity.
June 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Male hormones and reduced plakoglobin can impair heart electrical function and increase arrhythmia risk in males.
June 2021 in “Archives of Advances in Biosciences” Finasteride reduces sperm count and quality and alters hormone levels in mice.
17 citations
,
April 2009 in “Andrologia” A boy's early puberty caused by a testicular tumor returned to normal after surgery.
6 citations
,
April 2022 in “Biomedicines” COVID-19 may harm male fertility by affecting sperm production.
December 2022 in “Journal of Medical Case Reports” A 20-year-old woman was found to have a rare ovarian tumor causing symptoms like acne and a low-pitched voice, which disappeared after the tumor was removed.
May 2024 in “Journal of cosmetic dermatology” Low HDL-C, uric acid, and 25-hydroxyvitamin D are risk factors for early-onset male hair loss.