1 citations,
October 2023 in “PloS one” Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.
239 citations,
July 2002 in “Clinical and Experimental Dermatology” Low iron and L-lysine levels can cause hair loss in women, and increasing these nutrients can reduce hair shedding.
2 citations,
December 2021 in “Scientific reports” Scalp hair sweating is a significant predictor of hair cortisol levels.
1 citations,
April 2015 in “Journal of Dermatology and Dermatologic Surgery” People with certain skin diseases have higher levels of the hormone prolactin in their blood.
January 2016 in “Journal of SAFOG” Girls with PCOS and menstrual disorders have notably higher androgen hormone levels.
June 1995 in “International Journal of Gynecology & Obstetrics” Women with hair loss have higher androgen levels, while men with early balding have altered androgen ratios.
9 citations,
February 2020 in “International Journal of Endocrinology” Some men with early hair loss may have a male version of PCOS, affecting hormones and increasing health risks.
2 citations,
January 2014 in “International Journal of Endocrinology” Women with a certain type of tumor had higher levels of pregnancy hormone and male hormones, which decreased after treatment.
March 2024 in “BMC women's health” The levonorgestrel implant increases free testosterone and lowers SHBG more than DMPA-IM and the copper IUD.
July 2021 in “Archives of Dermatological Research” Alopecia patients have less GPER-1, which might affect hair loss.
2 citations,
January 2020 in “Clinical and experimental obstetrics & gynecology” Hair levels of estradiol and progesterone are higher in premenopausal than postmenopausal women, but the difference isn't statistically significant, indicating the need for a better measurement method.
1 citations,
October 2020 Hair can reliably measure average estradiol levels over months in humans and monkeys.
4 citations,
March 2018 in “Systems biology in reproductive medicine” Men born very underweight had higher estrogen levels but normal reproduction compared to normal birth weight men.
2 citations,
January 2013 in “Hair therapy & transplantation” Hair loss may signal metabolic problems and increased risk of heart disease, suggesting people with hair loss should be checked for these issues.
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.
33 citations,
August 2018 in “Facial Plastic Surgery Clinics of North America” The document explains hair biology, the causes of hair loss, and reviews various hair loss treatments.
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.
Premature graying of hair is linked to vitamin D and B12 deficiencies, thyroid issues, iron imbalance, stress, and lifestyle habits, and affects quality of life.
August 2019 in “Journal of Dermatology” Woman with diabetes had hair loss due to rare ovarian tumor; surgery improved hair growth.
343 citations,
December 2008 in “Endocrine Reviews” Metformin helps with menstrual cycles and insulin levels in PCOS but is less effective for hair growth, diabetes prevention, and weight loss, and may improve fertility and reduce diabetes risk.
22 citations,
January 2015 in “The Cochrane library” DHEA may help with sexual function when used intravaginally by menopausal women but is similar to hormone therapy in other aspects and might cause more side effects like acne and hair loss.
8 citations,
January 2009 in “Journal of pediatric endocrinology & metabolism/Journal of pediatric endocrinology and metabolism” A specific thyroid hormone resistance mutation may be linked to different types of hair loss.
6 citations,
September 2005 in “Expert Opinion on Pharmacotherapy” Androgen therapy can help with symptoms like low libido in women, but more research is needed to understand its long-term safety and effects on health.
September 2023 in “Research Square (Research Square)” Evening primrose oil significantly improves hormone levels and reduces BMI and cholesterol in women with PCOS.
21 citations,
November 2014 in “Journal of Endocrinological Investigation” Cross-sex hormone therapy is important for managing gender dysphoria and requires careful monitoring and healthcare provider education.
14 citations,
June 2015 in “Toxicology and Industrial Health” Low doses of BPA can increase prostate growth and change hormone levels in adult rats.
October 2023 in “Journal of Preventive Diagnostic and Treatment Strategies in Medicine” Low ferritin and Vitamin D levels may cause hair loss after COVID-19.
June 2021 in “Archives of Advances in Biosciences” Finasteride reduces sperm count and quality and alters hormone levels in mice.
50 citations,
April 2000 in “Fertility and Sterility” Diane 35 plus finasteride is more effective in reducing hair growth and androgen levels, but may decrease libido.
14 citations,
February 2016 in “Journal of Obstetrics and Gynaecology Research” Blood tests are needed to confirm high male hormone levels in women with PCOS, as physical signs alone are not reliable.