Matriptase-2 helps control iron levels by suppressing hepcidin, and its deficiency can cause iron-deficiency anemia.
January 2026 in “American Journal of Medical Genetics Part A” A new genetic variant causes trichothiodystrophy in two brothers, but their mother may carry it without showing symptoms.
March 2026 in “AYUSHDHARA” Ayurvedic treatments improved hypothyroidism symptoms and reduced TSH levels.
3 citations
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February 2023 in “BMJ Case Reports” OnabotulinumtoxinA treatment improved hair-pulling disorder and hair regrowth in a woman with chronic migraines.
August 2013 in “Nature Reviews Drug Discovery” New treatments for cancer and skin disorders show promise in disrupting harmful cell interactions and promoting hair growth.
5 citations
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June 2022 in “Biophysical Journal” TGF-β and TNF influence hair follicle cell fate, with TNF being more effective in triggering cell death.
5 citations
,
June 2022 in “Frontiers in immunology” Increasing Treg cells in the skin does not cure hair loss from alopecia areata in mice.
5 citations
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May 2007 in “Pediatric Dermatology” Severe hypothyroidism can cause unusual skin problems that improve with thyroid treatment.
September 2024 in “Journal of Ethnopharmacology” Terminalia bellirica extracts effectively promote hair regrowth and treat androgenetic alopecia.
A woman had temporary hair loss due to stress from a spinal cord injury.
July 2025 in “International Journal of Trichology” Trichoscopy effectively diagnoses temporal triangular alopecia in children.
13 citations
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May 1998 in “The Journal of Clinical Endocrinology & Metabolism” LH and hCG reduce certain protein levels in women's skin.
10 citations
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December 2017 in “Physiological Reports” Hair follicle analysis can track body changes from high-intensity interval training.
128 citations
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March 2006 in “American Journal of Pathology” Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
5 citations
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January 2023 in “Nature cell biology” A specific signal from hair cells controls the tightening of the surrounding muscle, which is necessary for hair shedding.
September 2022 in “Frontiers in Bioengineering and Biotechnology” Taxifolin from Rhododendron mucronulatum may help prevent hair loss and promote hair growth.
39 citations
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January 2004 in “Physiological Research” Some men with early hair loss may have a condition similar to PCOS in women.
March 2014 in “Human Physiology” DHEA improved brain function and behavior in old monkeys and had additional health benefits.
510 citations
,
August 2006 in “Endocrinology” The vitamin D receptor is involved in multiple body functions beyond calcium regulation, including immune response and rapid reactions not related to gene activity.
May 2023 in “Journal of The American Academy of Dermatology” Most lab tests for patients with Telogen effluvium, a type of hair loss, show no or mild abnormalities; only a few specific tests are useful.
August 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Mouse touch-sensitive nerve cells adjust their connections based on competition with other similar cells.
5 citations
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December 2023 in “Current Biology” A feedback loop between LRH and RSL4 controls root hair growth in Arabidopsis.
Selenium's effectiveness in treating Hashimoto's thyroiditis is inconclusive.
3 citations
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November 2020 in “Cleveland Clinic Journal of Medicine” Eyelash loss can be a sign of thyroid problems.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Disrupting the Tsc2 gene in certain cells leads to thicker skin, larger hair, and changes in hair growth signaling, which can be partly reversed with specific treatment.
January 2026 in “Nutrients” Low vitamin D may increase autoimmune thyroid disease risk, but its treatment effects are unclear.
August 2022 in “Journal of Comprehensive Pediatrics” A girl with a rare genetic disorder had a unique bone condition, highlighting the need for careful diagnosis and suggesting the disorder might be more common than thought.
7 citations
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January 2019 in “PeerJ” A protein called sFRP4 can slow down hair regrowth.
1 citations
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January 2022 in “Transgender health” Hormone therapy in transgender individuals can increase acne and affect hair growth and loss.
September 2024 in “Journal of Cosmetic Dermatology” The new hair product quickly reduces hair shedding in women.