September 2018 in “Cumhuriyet medical journal” Women with more body hair tend to have thicker belly fat and more metabolic health issues.
19 citations
,
August 2017 in “American journal of clinical dermatology” Hepatitis B virus exposure may be linked to increased risk of alopecia areata.
13 citations
,
August 1985 in “The Journal of Dermatology” HKN-2 antibody targets specific skin and hair cells, showing keratin complexity.
Lower vitamin D levels are linked to more severe hair loss in men.
36 citations
,
July 2007 in “Journal of Investigative Dermatology” Certain HLA class II alleles increase or decrease the risk of alopecia areata.
15 citations
,
June 1996 in “Journal of Pharmacy and Pharmacology” Caffeine levels in hair and blood can indicate liver health.
33 citations
,
September 2014 in “Reproductive Biology and Endocrinology” High afamin levels are linked to metabolic syndrome and may predict its development in women with insulin resistance.
4 citations
,
May 2021 in “Molecules” The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
July 2016 in “International journal of biomedical research” Family history and elevated DHEA-S levels are linked to more severe hair loss.
22 citations
,
January 1992 in “PubMed” Higher CSF 5-HIAA levels may predict better response to serotonin re-uptake inhibitors in trichotillomania.
1 citations
,
January 2016 in “American Journal of Clinical and Experimental Medicine” Men with androgenic alopecia have different hair copper levels than those without.
June 2015 in “Majallah-i 'ilmī-i dānishgāh-i 'ulūm-i pizishkī va khadamāt-i bihdāshtī darmānī-i Hamadān” Low vitamin D levels are linked to hair loss in women.
April 2018 in “Journal of Investigative Dermatology” Glycogen metabolism is important for energy and processes in human hair follicles, and hair follicles may produce glucose from lactate.
January 2021 in “Scandinavian journal of clinical and laboratory investigation” The document describes a way to measure biotin in blood to prevent wrong test results in hormone level testing.
August 2023 in “Journal of Cosmetic Dermatology” Higher concentration of botulinum toxin A is safe and effective for treating hair loss in men and women.
April 2011 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Hair cortisol is a reliable long-term stress marker during pregnancy.
2 citations
,
July 2022 in “Indian Journal of Dermatology Venereology and Leprology” Early hair greying may increase the risk of heart disease.
17 citations
,
June 2016 in “Croatian Medical Journal” Patients with chronic graft-versus-host disease often have skin problems like vitiligo and alopecia areata.
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.
5 citations
,
April 2021 in “Journal of Endocrinological Investigation” Higher DHT levels are linked to fewer hypogonadism symptoms in men with normal testosterone levels.
1 citations
,
July 2016 in “Mağallaẗ Kulliyyaẗ al-ṭibb Baġdād” Women with PCOS have higher PSA levels, which are linked to increased male hormone levels and hirsutism.
3 citations
,
July 1993 in “Contraception” Women with moderate body hair have higher levels of certain hormones and may benefit from treatment that increases sex hormone-binding protein.
Metformin lowers gremlin-1 and improves insulin resistance in women with PCOS.
October 2018 in “International Journal of Research in Dermatology” People with androgenetic alopecia are more likely to have metabolic syndrome.
December 2015 in “Vestnik dermatologii i venerologii” People with hair loss have different hormone levels, and these hormones can affect hair growth.
January 2021 in “Menoufia Medical Journal” People with early-onset androgenetic alopecia may have a higher risk of heart disease due to abnormal blood lipid levels.
April 2025 in “Medical Journal of Babylon” Copeptin and cortisol levels are higher in alopecia areata patients, suggesting they could help diagnose and manage the condition.
September 2024 in “Journal of the American Academy of Dermatology” Baricitinib helps long-term hair regrowth in severe alopecia areata patients.
October 2023 in “Al-Anbar medical journal” The clinic-based hair fall count method is accurate and reliable.
January 2026 in “Figshare”