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June 1991 in “Journal of Inherited Metabolic Disease” Selenium deficiency caused symptoms in a child, which improved with selenium supplements.
Haircare products may expose users to harmful chemicals despite regulations.
26 citations
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February 1998 in “Chemico-Biological Interactions” Scientists identified three genes important for processing certain brain chemicals, thyroid hormones, and medications.
November 2010 in “Value in Health” Real-life dosing of biologics for plaque psoriasis often deviates from recommended guidelines, especially for high-need patients.
46 citations
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July 1974 in “The Journal of Clinical Endocrinology & Metabolism” Low estrogen and high testosterone may cause excessive hair growth in women.
January 1984 in “Isotopenpraxis Isotopes in Environmental and Health Studies” Trace element levels in hair differ in people with thyroid diseases.
51 citations
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January 2014 in “International journal of trichology” Shampoo pH can affect hair health, with alkaline shampoos potentially causing damage and acidic shampoos reducing frizz.
LGF injections may improve early Peyronie's disease by reducing penile curvature and plaque size.
January 2020 in “Turkiye Klinikleri Journal of Dermatology” People with chronic hair shedding had much lower vitamin D levels compared to healthy people.
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June 2022 in “British Journal of Dermatology” A SALT score of ≤ 20 indicates meaningful improvement in alopecia areata treatment.
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March 2007 in “Hypertension” High androgen levels in young women with PCOS are linked to higher blood pressure.
May 2013 in “DOAJ (DOAJ: Directory of Open Access Journals)” Women with hair loss have higher free testosterone levels.
35 citations
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July 2010 in “The FEBS journal” The study found a specific peptide that helps detect TGase 3 activity in skin and hair follicles.
January 2010 in “Guoji yaoxue yanjiu zazhi” Thallium poisoning is serious, affecting nerves and organs, and is treated by reducing absorption and removing it from the body.
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August 2018 in “Biochimica and biophysica acta. Molecular and cell biology of lipids” Different sPLA2 enzymes affect immunity, skin and hair health, reproduction, and may be potential targets for therapy.
May 2021 in “Journal of the Endocrine Society” Adolescents with PCOS have higher levels of certain androgens, which are linked to hair growth but don't help diagnose PCOS better than testosterone levels.
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December 2017 in “Scientific reports” The new test can measure very small amounts of testosterone in hair, and grinding the hair up first gives more accurate results.
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August 2015 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” The study found that urine metabolites M1b or M4 are the best indicators of ATD use in horses, with detection possible up to 77 hours in urine and 28 hours in blood.
February 2024 in “Veterinary sciences” Canine pemphigus foliaceus involves significant immune activity and shares similarities with human pemphigus.
April 2026 in “Mathematics” Platelet dose in therapies varies greatly due to factors like injected volume and concentration.
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January 1985 in “Acta Obstetricia Et Gynecologica Scandinavica” Hirsutism severity is linked to androgen levels, especially in women with a lower LH/FSH ratio.
July 2024 in “International Journal of Chemical and Biological Sciences” Glypican-4 may help indicate insulin sensitivity and lipid issues in women with PCOS.
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January 2006 in “Skin Pharmacology and Physiology” High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
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January 1980 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry” Both treatments reduced androgen levels and hair growth in women with hirsutism.
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April 2024 in “ACS Chemical Neuroscience” A new method accurately measures nine neuroactive steroids in small blood samples, helping to study brain diseases.
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January 2017 in “Iraqi journal of medical sciences” Obese women with PCOS have lower zinc levels than non-obese ones.
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December 1999 in “International Journal of Dermatology” Dihydroxyacetone in self-tanning lotion helped reduce sun-related skin issues in a woman with variegate porphyria.
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August 2023 in “Cutis” Low ferritin levels can indicate iron deficiency as a cause of hair loss.
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May 1998 in “The Journal of Clinical Endocrinology & Metabolism” LH and hCG reduce certain protein levels in women's skin.
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January 1989 Two patients had a unique form of trichothiodystrophy with reduced high-sulfur proteins in their hair.