Malnourished people have weaker hair that is easier to pluck.
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.
72 citations
,
April 2008 in “The Journal of urology/The journal of urology” Dutasteride and finasteride do not significantly affect bone density, blood fats, or blood production, but slightly lower PSA levels and minimally impact sexual function in healthy young men.
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.
16 citations
,
January 2012 in “European Journal of Endocrinology” The study suggests certain ACE gene variations are more common in women with PCOS and may be linked to increased insulin resistance.
15 citations
,
February 2019 in “Internal Medicine Journal” Australian doctors experienced in adult transgender healthcare mostly prescribe intramuscular testosterone and oral estradiol, recommend mental health assessments before hormone therapy, and support improved training and guidelines.
9 citations
,
May 2008 in “Journal of Clinical Oncology” A woman's ovarian tumor causing high testosterone was successfully removed, and her symptoms improved.
7 citations
,
August 2019 in “Journal of Ovarian Research” Blood removal and birth control pills both helped with hormone levels in women with PCOS, but birth control was better for regular periods and blood removal had fewer side effects.
4 citations
,
October 2022 in “American journal of physiology. Heart and circulatory physiology” Higher DHT levels are linked to worse heart changes in severe aortic valve stenosis patients.
March 2026 in “Seven Editora eBooks” Testosterone creams and gels can be effective but have serious risks and should be used only with medical supervision.
Hair can accurately predict iron levels in cattle muscle, helping diagnose mineral imbalances.
Older people tend to have higher biotin levels, which are weakly linked to certain blood components and negatively linked to triglycerides; biotin should be checked in patients with high triglycerides or medication-related skin issues, and only supplemented if deficient. Vitamin D and folate deficiencies are linked to specific skin conditions.
30 citations
,
January 2023 in “EFSA journal” Adults should not consume more than 255 micrograms of selenium per day to avoid risk of hair loss and other side effects.
13 citations
,
September 2009 in “Heart & Lung” Kawasaki's disease can occur in adults and should be considered with specific symptoms and high ferritin levels.
March 2026 in “International Journal of Clinical Dermatology” Iron deficiency can cause certain skin issues like eczematous hand and perioral lesions.
5 citations
,
January 2017 in “Acta Endocrinologica” High androgen levels in postmenopausal women may suggest an ovarian tumor, and removing it can improve heart and metabolic health.
3 citations
,
May 2025 in “Clinical Endocrinology” Evaluate and manage androgen excess in women with a systematic approach, considering both physical and psychological impacts.
September 2022 in “Polish Hyperbaric Research” Some treatments for hair loss, like finasteride, biotin, and minoxidil, can be effective, but their success varies by individual case.
26 citations
,
January 2016 in “Indian journal of endocrinology and metabolism” Both metformin and pioglitazone improve PCOS symptoms, but pioglitazone is a good alternative for those who can't take metformin.
4 citations
,
June 2018 in “PLOS ONE” Iron levels are linked to insulin resistance in men and postmenopausal women, but not in premenopausal women.
2 citations
,
February 2000 in “International Journal of Dermatology” Hepatitis C and alcohol abuse may lead to porphyria cutanea tarda.
April 2023 in “Clinical Chemistry and Laboratory Medicine” The document concludes that inflammation markers can be used in diabetes, vitamin D3 affects immune pathways, hyperthyroidism changes hormone levels, androgen levels help diagnose Adrenocortical Carcinoma, erectile dysfunction is linked to diabetes, hypogonadism is common in HIV-infected males, and hormones can be biomarkers for various conditions.
November 2019 in “BMC veterinary research” The hair loss in Belgian Blue crossbred calves was caused by a diet issue, not by disease or infection.
22 citations
,
January 2012 in “Obstetrics and Gynecology International” Obese women with PCOS have more cardiovascular risk factors, and waist-to-stature ratio is a better health marker than waist-to-hip ratio.
34 citations
,
April 2023 in “Climacteric” Gender-affirming hormone therapy affects health risks and requires careful management, especially as transgender individuals age.
April 2024 in “Journal of translational medicine” MJ04, a new compound, effectively promotes hair growth and is a potential topical treatment for hair loss.
2 citations
,
November 2018 in “Medunab” Low ferritin levels are linked to chronic hair loss in women.
Reducing iron levels didn't improve heart health or metabolism in women with certain ovarian issues.
8 citations
,
February 2007 in “Journal of The American Academy of Dermatology” Higher serum ferritin levels than currently used might be needed to rule out iron deficiency in women with hair loss.
7 citations
,
January 2017 in “Journal of Clinical Biochemistry and Nutrition” Higher vitamin D levels are linked to higher iron levels in Korean women without metabolic syndrome, but not in those with it.