29 citations,
February 2019 in “Environment international” Higher early lead exposure is linked to delayed puberty in girls.
28 citations,
October 2018 in “Clinical Obstetrics and Gynecology” Testosterone therapy seems safe and effective for transgender men with proper care, but more long-term research is needed.
28 citations,
May 2013 in “The Journal of Steroid Biochemistry and Molecular Biology” Testosterone therapy can improve sexual desire and function in postmenopausal women but should be used cautiously and not based solely on testosterone levels.
23 citations,
June 2015 in “Clinica Chimica Acta” Researchers found potential urine markers for polycystic ovary syndrome, including testosterone-glucuronide and 11α-hydroxyprogesterone, which may help diagnose the condition.
20 citations,
April 2021 in “Journal of Womens Health” Testosterone can help premenopausal and postmenopausal women with low sexual desire, but its long-term safety is unclear and it's not widely approved for this use.
19 citations,
January 1997 in “Endocrinology” Testosterone can slow hair growth in adult monkeys, but a blocker called RU 58841 can counteract this and potentially help hair regrow.
17 citations,
May 2012 in “Clinical Endocrinology” Surgery to lower high testosterone in postmenopausal women with certain ovarian tumors doesn't significantly affect their metabolism.
14 citations,
October 2016 in “Physiological Research” Alfacalcidiol and metformin together lowered testosterone in women with PCOS, but did not significantly improve acne, hair growth, or pregnancy rates.
12 citations,
December 2020 in “Comprehensive psychoneuroendocrinology” Hormone levels in hair change during pregnancy, with progesterone increasing significantly compared to non-pregnant women.
10 citations,
February 2019 in “Toxicological Sciences” Finasteride exposure affects gene expression and anogenital distance in male rat fetuses.
6 citations,
August 2020 in “JCRPE” A boy with a rare form of early puberty caused by a new gene mutation responded well to treatment aimed at reducing testosterone and preserving adult height.
6 citations,
April 2019 in “Endocrinology and Metabolism Clinics of North America” Testosterone therapy for transmasculine individuals is generally safe with medical supervision, improves mental health, and has mixed effects on physical health.
5 citations,
January 2017 in “Endocrinology” Genetic defects in testosterone production can cause hormonal and developmental disorders, and more research is needed to understand androgen regulation and develop safer treatments.
5 citations,
January 2016 in “Asian pacific Journal of Tropical Biomedicine” Phthirusa pyrifolia extract may lower testosterone and harm male rat reproduction without damaging the liver or kidneys.
4 citations,
May 2019 in “Physiology & Behavior” Cocaine impairs male sexual behavior and alters testosterone metabolism in the brain.
3 citations,
October 2022 in “International Journal of Impotence Research” Testosterone Replacement Therapy can improve sexual health in postmenopausal women with low sexual desire, but more research is needed on its long-term effects.
3 citations,
November 2021 in “Stress” Girls had higher stress hormone levels during school due to social and emotional issues, while boys had higher overall hormone levels with slight changes when school started.
2 citations,
February 2021 in “Brain Research” Testosterone affects blood pressure control and inflammation in male rats with endotoxic shock, and blocking certain hormones may help treat it.
2 citations,
October 2015 in “The New England Journal of Medicine” The woman's surgery lowered her testosterone and improved scalp hair loss but did not change her excessive body hair.
1 citations,
August 2019 in “Environmental Toxicology” Exposure to low doses of finasteride in the womb causes changes in the prostate of both male and female gerbils.
1 citations,
January 2015 in “Journal of Pigmentary Disorders” Melasma is a skin condition linked to female hormones, genetics, UV exposure, and certain medications, but not to pituitary, adrenal, or thyroid diseases.
1 citations,
March 2012 in “Journal of Dermatological Science” Testosterone, progesterone, and levonorgestrel change enzyme levels related to fat production in hamster skin, which could affect skin oil and acne.
March 2024 in “BMC women's health” The levonorgestrel implant increases free testosterone and lowers SHBG more than DMPA-IM and the copper IUD.
May 2023 in “Journal of Ethnopharmacology” The wild garlic plant, Allium macrostemon Bunge, can promote hair growth and could potentially be used to treat hair loss.
May 2023 in “IntechOpen eBooks” More research is needed to understand how testosterone is maintained in adult males.
November 2022 in “Scientific Data” The research identified genes and non-coding RNAs in cells that could be affected by testosterone, which may help understand hair loss and prostate cancer.
May 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Testosterone significantly affects urination differences between male and female mice.
September 2018 in “Fertility and Sterility” High levels of testosterone and anti-Müllerian hormone before pregnancy are linked to a higher risk of newborns needing intensive care.
Hormones, especially testosterone and DHT, are key for penis development and function, and testosterone therapy may help with erectile dysfunction in those with low levels.
October 2007 in “Postgraduate obstetrics & gynecology” Testosterone therapy can help postmenopausal women with low sexual desire but needs more safety research and should be used with estrogen therapy.