35 citations
,
October 2006 in “Journal of Dermatology” Teen hair loss common in boys, linked to family history and mild symptoms.
17 citations
,
December 2008 in “Dermatology” Taking metformin with intense-pulsed-light therapy improves hair removal for people with PCOS.
January 2025 in “International Journal of Pharmacognosy and Clinical Research” The herbal scalp serum may help hair growth by reducing DHT levels.
April 2019 in “Journal of Investigative Dermatology” The PROCLIPI study found markers that help predict outcomes in skin lymphoma patients.
January 2018 in “International journal of medical biochemistry” Women with telogen effluvium have lower levels of iron, folate, and vitamin B12.
11 citations
,
February 2013 in “Clinical Endocrinology” A small number of premenopausal female blood donors had high prolactin levels, often due to stress, and retesting is recommended to prevent misdiagnosis.
89 citations
,
December 1998 in “The Journal of Steroid Biochemistry and Molecular Biology” Human hair can be used to measure reproductive hormones.
51 citations
,
May 1996 in “American journal of physiology. Regulatory, integrative and comparative physiology/American journal of physiology. Regulatory, integrative, and comparative physiology” Gray seals use more energy and have higher hormone levels during their annual fur-shedding period.
17 citations
,
October 1981 in “American Journal of Clinical Nutrition” Malnourished people have weaker hair that is easier to pluck.
1 citations
,
July 2022 in “Functional foods in health and disease/Journal of functional foods in health & disease” Taking a probiotic supplement twice a day improved hair growth, skin hydration, and metabolic health in adults at risk of metabolic syndrome.
May 2024 in “Skin research and technology” Certain metabolites can either protect against or increase the risk of hair loss.
January 2020 in “Journal of quality in health care & economics” Most women with depression in the study had low vitamin D levels.
January 2018 in “Trace Elements in Medicine (Moscow)” Children with autism have different levels of certain metals and elements in their hair and blood, affecting symptoms.
May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
37 citations
,
May 2018 in “Transgender health” Oral estradiol works for many transgender women but needs personalized dosing and monitoring.
April 2020 in “Journal of the Endocrine Society” An 87-year-old man showed unusual signs of Hodgkin lymphoma, primarily high calcium levels, which improved after treatment and revealed the disease.
164 citations
,
November 1989 in “Clinical and Experimental Dermatology” Juvenile alopecia areata is more severe and has a worse prognosis than maturity-onset alopecia areata.
90 citations
,
November 1980 in “Annals of Internal Medicine” Long-term use of minoxidil for high blood pressure can delay kidney failure in some patients and improve kidney function in others with severe hypertension.
27 citations
,
July 2017 in “Scientific Reports” N-WASP is essential for healthy skin and preventing inflammation.
19 citations
,
January 2016 in “Dermatology Research and Practice” The study concluded that hair loss in Indian women is not significantly linked to anemia or thyroid problems, but checking thyroid function could help those with ongoing hair loss.
12 citations
,
March 2016 in “BBA clinical” Increased Toll-like receptors in blood cells may contribute to alopecia areata and could be a target for new treatments.
5 citations
,
May 2021 in “Veterinary medicine and science” Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
4 citations
,
January 2020 in “International Journal of Trichology” Too much epidermal growth factor can cause hair loss.
1 citations
,
January 2009 in “Journal of Clinical Dermatology” More men have Androgenic Alopecia than women, it's often inherited, and stress can contribute to it.
April 2025 in “Dermatology Practical & Conceptual” Increased LC3 gene expression may be linked to premature graying of hair.
November 2023 in “Clinical, Cosmetic and Investigational Dermatology” Saw palmetto extract reduced hair loss and improved hair growth in people with hair thinning.
August 2020 in “Nigerian journal of paediatrics” A 24-month-old Nigerian girl developed early puberty with no family history, needing treatment her family couldn't afford.
January 2017 in “Clinical & medical biochemistry” Certain gene variations in AKT2 are more common in women with PCOS and are linked to higher levels of specific hormones and symptoms.
January 2017 in “Turkiye Klinikleri Journal of Dermatology” Low vitamin D levels, not ferritin levels, were found in patients with hair loss condition telogen effluvium.
October 2013 in “The professional medical journal” Acne severity in women with PCOS is significantly associated with their serum LH/FSH ratio.