122 citations
,
July 1990 in “Teratology” Finasteride exposure in pregnancy causes genital abnormalities in male rats.
20 citations
,
March 1975 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry” The study concludes that a genetic mutation in TFM mice leads to reduced androgen receptor activity, affecting the body's response to male hormones.
September 2025 in “Cureus” Equilibrium dialysis can accurately measure testosterone levels when lab results are inconsistent.
4 citations
,
August 2024 in “International Journal of Impotence Research” Low testosterone increases kidney stone risk in men not on testosterone therapy.
1 citations
,
December 2019 in “Frontiers in endocrinology” Higher androgen levels during puberty are linked to shorter adult height in boys with Silver-Russell syndrome.
51 citations
,
September 2002 in “Nutrition and Cancer” Dietary phytoestrogens do not significantly affect testicular cancer risk.
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.
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.
23 citations
,
March 2014 in “International Journal of Molecular Sciences” Testosterone reduces knee flexibility by affecting relaxin receptors.
November 2022 in “Journal of the Endocrine Society” A woman's masculine symptoms were caused by a rare tumor in her left ovary, which was found using a special blood test.
15 citations
,
March 2015 in “PloS one” Scientists restored fertility in male mice lacking a key fertility gene by using a modified gene.
2 citations
,
January 2009 in “The Journal of Internal Korean Medicine” Scutellaria baicalensis may help treat benign prostatic hyperplasia.
January 2016 in “Springer eBooks” A 19-year-old male with delayed puberty was successfully treated for a condition that prevents normal hormone production.
12 citations
,
June 2024 in “Nutrients” Natural antioxidants like flavonoids and resveratrol may help prevent low testosterone in aging men.
October 2025 in “Journal of the Endocrine Society” Ovarian hyperthecosis can cause high testosterone and symptoms like hair loss, and surgery can help improve these symptoms.
196 citations
,
May 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” Sebocytes play a key role in controlling androgen levels in human skin.
11 citations
,
September 1990 in “Clinical Endocrinology” Girls with prepubertal simple hypertrichosis have higher dihydrotestosterone (DHT) levels.
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.
138 citations
,
November 1974 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Males and females differ in lifespan, growth, organ size, metabolism, and brain structure, with females generally living longer and maturing earlier.
12 citations
,
January 1991 in “Archives of dermatological research” Male hormones control a specific gene in hamster skin, with different hormones having varying effects.
16 citations
,
June 2022 in “Transgender Health” Oocyte retrieval is possible for transgender men on testosterone therapy without affecting fertility outcomes.
71 citations
,
August 2019 in “The journal of sexual medicine” Testosterone treatment effectively causes male physical development in transgender male adolescents but may lead to side effects like acne, higher BMI and blood pressure, lower good cholesterol, and decreased bone density.
8 citations
,
August 2015 in “Endocrine” 33 citations
,
October 2013 in “PloS one” Human sweat glands have a type of stem cell that can grow well and turn into different cell types.
177 citations
,
June 1991 in “The Journal of Clinical Endocrinology & Metabolism” Caucasian men have more chest hair and higher levels of certain androgen products than Chinese men.
January 1994 in “JAPANESE JOURNAL OF CLINICAL PHARMACOLOGY AND THERAPEUTICS” Testosterone and fleece-flower root affect mouse hair growth.
29 citations
,
March 2021 in “Frontiers in Endocrinology” Testosterone may influence COVID-19 severity and outcomes.
1 citations
,
July 2022 in “Han'gug sigpum yeong'yang gwahag hoeji/Journal of the Korean society of food science and nutrition” Eurycoma longifolia extract may help increase testosterone levels and reduce andropause symptoms.
Increased free testosterone can lead to stronger bones and less body fat but also higher risks of prostate cancer, hair loss, spine issues, and high blood pressure.