February 2026 in “Brazilian Journal of Implantology and Health Sciences” Chronic stress and high cortisol levels can cause hair loss by disrupting hair growth.
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.
December 2005 in “Endocrine-related cancer” A woman's adrenal tumor disappeared after treatment with cyproterone acetate.
January 2008 in “Annals of Nutrition and Metabolism” Parthenolide promotes hair growth in mice and may influence pathways related to male pattern baldness.
February 2026 in “International Journal of Advanced Biochemistry Research” Hypothyroidism-related skin issues in dogs are most common in older male Labradors, causing hair loss, slow heart rate, and obesity.
November 2011 in “Journal of Investigative Dermatology” TRH in hair follicles can influence hair color by increasing melanin.
February 2013 in “Journal of The American Academy of Dermatology” Hair loss is a common, often overlooked side effect of hormone treatments for breast and prostate cancer.
5 citations
,
March 2015 in “Clinical and Experimental Dermatology” Chemotherapy caused a woman's permanent hair loss and early menopause.
21 citations
,
April 2004 in “Australasian Journal of Dermatology” A 3-year-old girl has a rare condition causing sparse hair and nail issues, with minimal improvement from treatment.
4 citations
,
June 2005 in “Andrology” A woman's diabetes improved after removing ovarian tumors that caused high testosterone levels.
GLP-1 receptor agonists for weight loss may cause hair loss, especially in women.
7 citations
,
January 2002 in “Biological Trace Element Research” Children with pituitary dwarfism have higher zinc and copper, lower manganese, and similar iron levels in hair compared to normal children.
October 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Mice treatments didn't grow hair, a patient treatment may affect immune response, and people with hair loss often feel anxious or depressed.
1 citations
,
November 2007 in “Humana Press eBooks” Most cases of high male hormone levels in women are due to polycystic ovary syndrome.
1 citations
,
January 2013 in “Nasza Dermatologia Online” Vitamin B12 deficiency can cause reversible hair color loss in children.
39 citations
,
May 2011 in “European Journal of Clinical Investigation” Hirsutism can be caused by various conditions besides PCOS, and it's important to treat the underlying issue and manage symptoms with medication and cosmetic approaches.
24 citations
,
September 2001 in “Journal of The American Academy of Dermatology” Women's ovarian hormones and adrenal androgens change throughout life, affecting hair loss and health.
May 2022 in “The Journal of Clinical Pharmacology” Metformin reduces certain hormone levels in men with early-onset hair loss.
64 citations
,
May 1981 in “Clinical and Experimental Dermatology” A possible link exists between hair follicle abnormalities, hair loss, and muscle weakness.
June 2013 in “International Journal of Dermatology” Central lipohypertrophy in HIV-infected women may lead to shorter eyelashes.
September 2016 in “Elsevier eBooks” Different types of hair loss in dogs and cats have various causes and treatments, with outcomes ranging from good to uncertain.
April 2020 in “Journal of the Endocrine Society” A toddler with unusual hypothyroidism symptoms improved with levothyroxine treatment.
40 citations
,
March 2003 in “The journal of small animal practice/Journal of small animal practice” Trilostane helped a dog with an adrenal tumor feel better and stay healthy.
July 2026 in “Journal of the American Academy of Dermatology” GLP-1RA medications may increase the risk of hair loss, especially in non-diabetic people.
51 citations
,
July 2010 in “Trends in Endocrinology and Metabolism” Prolactin may play a significant role in skin and hair health and could be a target for treating skin and hair disorders.
12 citations
,
December 2016 in “The FASEB Journal” Lack of vitamin D receptor causes hair loss in mice by allowing certain genes to overactivate.
July 2025 in “Foundation University Journal of Dentistry” Alopecia areata patients often have autoimmune disorders, especially thyroid issues.
5 citations
,
November 1979 in “PubMed” A hereditary condition causes hair loss and twisted hair in some family members.
1 citations
,
December 2015 in “The Egyptian Journal of Histology” Hypothyroidism harms rat skin, but topical triiodothyronine may help improve it.
GLP-1 receptor agonists increase the risk of hair loss, mainly due to weight loss-related nutrient deficiency.