207 citations,
April 2006 in “Journal of The American Academy of Dermatology” Iron deficiency may be related to hair loss, but there's not enough evidence to recommend iron screening or supplements for all hair loss patients.
135 citations,
August 1994 in “Clinical Endocrinology” Most women with hirsutism or androgenic alopecia had polycystic ovaries, especially if they had irregular periods.
124 citations,
September 1980 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Spironolactone is effective in treating excessive hair growth in women.
118 citations,
September 2004 in “Clinics in Dermatology” Hormones, especially androgens, play a big role in acne, but most acne sufferers don't have a hormone disorder. Hormonal treatments, including birth control pills, can be very effective for women whose acne doesn't improve with regular treatments.
110 citations,
January 2014 in “The Journal of Sexual Medicine” Testosterone treatment in trans men increases body and facial hair and may lead to hair loss over time, but severe skin issues are rare.
110 citations,
April 2002 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dihydrotestosterone gel improved well-being and sexual function in older men without negatively affecting prostate health.
104 citations,
October 1999 in “The Journal of Urology” Finasteride doesn't harm male fertility or sperm quality, but may slightly reduce ejaculate volume.
76 citations,
December 1997 in “Fertility and Sterility” Finasteride reduces hair growth better, but spironolactone has more side effects.
75 citations,
July 2013 in “The Journal of Clinical Endocrinology and Metabolism” Taking low-dose spironolactone and metformin together works better for PCOS symptoms than either drug alone.
73 citations,
June 2008 in “The Journal of Clinical Endocrinology and Metabolism” Polycystic ovarian shape is a genetic sign of PCOS and its hormonal and metabolic features can be inherited.
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.
53 citations,
October 1993 in “Drug Safety” Oral retinoids can cause side effects ranging from mild to severe, including birth defects, and require careful monitoring and contraception.
51 citations,
May 1996 in “American journal of physiology. Regulatory, integrative and comparative physiology/American journal of physiology. Regulatory, integrative, and comparative physiology” Gray seals use more energy and have higher hormone levels during their annual fur-shedding period.
50 citations,
April 2010 in “Biology direct” Low androgen levels might delay prostate cancer but could lead to more aggressive, therapy-resistant cancers.
49 citations,
February 2009 in “Maturitas” Short-term testosterone therapy in women seems safe with few mild side effects, but long-term effects need more research.
39 citations,
August 2004 in “International journal of gynaecology and obstetrics” Finasteride and CPA-EE2 equally reduce hirsutism, but affect hormone levels differently.
37 citations,
September 2018 in “The Journal of Clinical Endocrinology and Metabolism” Intravaginal testosterone cream improves sexual satisfaction and reduces vaginal discomfort in postmenopausal women on breast cancer treatment without affecting hormone levels.
34 citations,
December 1991 in “Annals of the New York Academy of Sciences” The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.
29 citations,
November 2011 in “Human Fertility” Many women with PCOS have undiagnosed health issues and show different symptoms based on the clinic they visit.
28 citations,
March 2009 in “Clinical and Experimental Dermatology” There is no significant link between male pattern baldness and insulin resistance.
25 citations,
January 2022 in “Endocrine journal” Long COVID patients may have hormonal imbalances linked to their symptoms.
25 citations,
November 2015 in “Journal of Ethnopharmacology” Certain Chinese herbs, especially Cacumen platycladi, can promote hair regrowth and reduce hair loss-related hormone levels in mice.
23 citations,
April 2018 in “PubMed” Topical finasteride reduces hair loss and promotes hair growth in men and women.
22 citations,
January 2006 in “International Journal of Andrology” Taking oral testosterone with finasteride or dutasteride doubles testosterone levels, and food slightly affects it.
22 citations,
June 2013 in “Australasian Journal of Dermatology” Early stage bald spots are linked to skin inflammation and damage to the upper part of the hair follicle.
22 citations,
April 2006 in “Journal of The American Academy of Dermatology” More research is needed to determine if iron deficiency causes hair loss.
21 citations,
October 2011 in “British Journal of Dermatology” Testosterone therapy helped 63% of androgen-deficient women grow scalp hair, but more research is needed.
21 citations,
June 1990 in “British Journal of Dermatology” Systemic retinoids are effective for psoriasis but have side effects; benefits may outweigh risks, especially when reducing cancer risks from other treatments.
20 citations,
October 2017 in “Clinical Endocrinology” The conclusion is that removing both ovaries is the best treatment for excess male hormones in postmenopausal women, with medication as another option, and managing insulin resistance is important for diagnosis and treatment.
17 citations,
February 2019 in “Journal of Clinical Medicine” Testosterone replacement therapy should be used for men with low testosterone levels and symptoms of hypogonadism, after careful diagnosis and considering individual needs.