January 2024 in “İstanbul Kuzey Klinikleri” Low ferritin levels are linked to increased hair loss; no link found between vitamin B12, TSH levels, and hair loss.
February 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Women with PCOS, especially if they are obese, are more likely to have an underactive thyroid than women without PCOS.
5 citations
,
April 2014 in “European Journal of Obstetrics & Gynecology and Reproductive Biology” AMH levels can't reliably tell the difference between LOCAH and all types of PCOS in women with excessive hair growth.
November 2025 in “Frontiers in Endocrinology” Women with prediabetes may have a higher risk of PCOS-like changes, especially if they have impaired glucose tolerance.
67 citations
,
July 2016 in “Reviews in Endocrine and Metabolic Disorders” Stress can worsen skin conditions by affecting hormone levels and immune response.
146 citations
,
January 2004 in “Hormones” Human skin acts like a hormone-producing organ, making and managing various hormones important for skin and hair health.
12 citations
,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
3 citations
,
October 2003 in “Annals of Oncology” A woman with low thyroid function did not lose her hair during chemotherapy, possibly because her hair follicles were less affected by the treatment.
1 citations
,
October 2023 in “Biology” Fasting in hens affects thyroid hormones, which regulate feather and hair growth.
August 2022 in “Revista de la Universidad Industrial de Santander/Salud UIS” Stress-related hair loss was reversed with a special medication.
December 2018 in “IntechOpen eBooks” Neurohormones help control skin health and could treat skin disorders.
61 citations
,
April 2013 in “PloS one” The study found key genes and pathways involved in cashmere goat hair growth stages.
54 citations
,
May 1994 in “Veterinary Pathology” PTHrP is higher in certain dog tumors and may act as a local growth factor.
47 citations
,
May 2012 in “Wiley Interdisciplinary Reviews-Developmental Biology” The conclusion is that understanding how feathers and hairs pattern can help in developing hair regeneration treatments.
39 citations
,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” Eating high glycemic foods and drinking milk may worsen acne by increasing insulin and IGF-1 levels.
8 citations
,
June 2011 in “Nature Biotechnology” Stem cell treatments can potentially treat baldness, with one trial showing hair growth after injecting a hair-stimulating complex, and no safety issues were reported.
6 citations
,
October 2018 in “Drug safety - case reports” Alitretinoin may cause irreversible hair curling as a side effect.
3 citations
,
October 2007 in “Expert Review of Dermatology” Hair ages due to various factors and treatments like minoxidil and finasteride can help, but more research and better public awareness are needed.
October 2023 in “Biomaterials” Nanotechnology could improve hair regrowth but faces challenges like complexity and safety concerns.
January 2018 in “Elsevier eBooks” The document concludes that alopecia has significant social and psychological effects, leading to a market for hair loss treatments.
1 citations
,
September 2024 in “Journal of Clinical & Translational Endocrinology” PCOS women have more severe metabolic issues and higher androgen levels than hyperandrogenic women without PCOS.
59 citations
,
August 1998 in “International Journal of Dermatology” Genetics and hormones cause hair loss; finasteride treats it safely.
50 citations
,
March 2001 in “Clinics in Dermatology” Genes and hormones cause hair loss, with four genes contributing equally.
47 citations
,
January 2001 in “Journal of Investigative Dermatology” High testosterone to epitestosterone ratio in hair could predict male-pattern baldness.
22 citations
,
February 2010 in “The Veterinary clinics of North America. Small animal practice/Veterinary clinics of North America. Small animal practice” The cause of atypical Cushing's syndrome in dogs, possibly linked to sex hormones, is not yet proven.
3 citations
,
June 2006 in “Expert Review of Dermatology” The document concludes that hair loss is complex, affects many people, has limited treatments, and requires more research on its causes and psychological impact.
42 citations
,
May 2016 in “Annual Review of Cell and Developmental Biology” Fat cells are important for tissue repair and stem cell support in various body parts.
18 citations
,
October 2014 in “Experimental Dermatology” Local skin glucocorticoid production is crucial for healthy skin, and its disruption can lead to skin diseases.
8 citations
,
January 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Growth hormone is important for regulating human hair growth.
1 citations
,
January 1971 Hormones, especially androgens, affect hair growth and can cause hair loss or excess hair in both men and women.