August 2007 in “CRC Press eBooks” Hair loss is mainly caused by a testosterone byproduct, and hair restoration surgery uses hair from the back and sides of the scalp.
May 2022 in “The Journal of Clinical Pharmacology” Metformin reduces certain hormone levels in men with early-onset hair loss.
14 citations
,
January 2018 in “Advances in Clinical Chemistry” The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.
6 citations
,
January 2015 in “Indian Dermatology Online Journal” Too much levothyroxine can cause hair loss in infants.
October 2025 in “Journal of the Endocrine Society” A postmenopausal woman had rare symptoms due to a possible ovarian tumor, needing thorough evaluation.
5 citations
,
February 2015 in “Endocrinology Diabetes and Metabolism Case Reports” Insulin therapy helped a man with autoimmune issues regrow his hair.
October 2024 in “Eurasian Journal of Medicine” Hashimoto’s thyroiditis is more common in girls, often after puberty, and can cause neck swelling, fatigue, and hair loss.
July 2025 in “AACE Endocrinology and Diabetes” Ovarian hyperthecosis caused high testosterone and virilization symptoms in a 60-year-old woman, which improved after surgery.
January 2026 in “Brazilian Journal of Development” Early diagnosis and surgery can improve symptoms of ovarian hyperthecosis in postmenopausal women.
12 citations
,
June 1999 in “Dermatologic Surgery” Hair restoration surgery can effectively increase pubic hair density, with patient satisfaction and natural results largely depending on the chosen hair pattern and graft design.
70 citations
,
January 2000 in “Hormone Research in Paediatrics” SAHA syndrome is a condition in women involving skin and hair issues, often related to hormonal imbalances, and is treated based on the underlying cause.
6 citations
,
April 1993 in “Journal of the Royal Society of Medicine” Untreated Congenital Adrenal Hyperplasia can cause severe hair loss due to high androgen levels.
2 citations
,
December 2018 in “International journal of current microbiology and applied sciences” The dog recovered from hypothyroidism and regrew its hair after two months of treatment.
1 citations
,
August 2021 in “Arhivʺ vnutrennej mediciny” Hormonal imbalances can cause hair loss, and understanding them can help develop better treatments.
2 citations
,
March 2011 in “Hair transplant forum international” Female pattern hair loss involves hair follicles shrinking, influenced by hormones like melatonin and prolactin.
October 2025 in “Česká gynekologie” Hyperprolactinemia is the most common cause of secondary amenorrhea, followed by drug use.
September 2025 in “Cureus” GLP-1 receptor agonists may cause hair loss, but more research is needed.
16 citations
,
April 1998 in “Journal of Investigative Dermatology” ACTH promotes hair growth in mink, but α-MSH does not.
3 citations
,
February 2002 in “The American journal of psychiatry” Stopping birth control pills may have triggered a manic episode in a woman with HAIR-AN syndrome.
40 citations
,
September 2003 in “Journal of the American Animal Hospital Association” Hypothyroidism in dogs can cause aggression, which can be treated with thyroid therapy.
January 2023 in “International Journal of Zoology and Animal Biology” Canine hypothyroidism can be linked to diabetes, requiring thorough testing for proper diagnosis.
60 citations
,
September 2001 in “Journal of the American Academy of Dermatology” Insulin resistance contributes to hormone imbalances in many women with polycystic ovary syndrome.
January 2021 in “Turkiye Klinikleri Journal of Dermatology” Women with a certain type of hair loss had lower levels of a hormone called prolactin compared to healthy women.
October 2023 in “Indian Journal of Ophthalmology - Case Reports” Kallmann syndrome can cause eye issues and other health problems, requiring various treatments.
November 2021 in “World Family Medicine Journal /Middle East Journal of Family Medicine” Thyroid hormone levels in children are linked to growth hormone and can be affected by diabetes in Riyadh, Saudi Arabia.
41 citations
,
April 2010 in “Gender Medicine” The conclusion is that hirsutism should be diagnosed and treated because it affects quality of life and may signal other health problems.
February 2013 in “Journal of The American Academy of Dermatology” There is no significant link between insulin resistance and certain hair disorders like idiopathic hirsutism and androgenic alopecia.
November 2014 in “Prescriber” The 16-year-old girl with hair loss was successfully treated for alopecia areata, leading to significant hair regrowth.
3 citations
,
January 2011 in “Indian Journal of Dermatology Venereology and Leprology” Switching to a twice-weekly betamethasone treatment led to full hair regrowth in alopecia areata without side effects.
2 citations
,
January 2018 in “International Journal of Trichology” The hCG diet and testosterone therapy can cause hair loss in some people.