November 2022 in “Journal of the Endocrine Society” Taking biotin can lead to incorrect low results in free testosterone tests.
17 citations
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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.
TSH levels are similar across nonscarring alopecia types, with unclear racial differences.
Haircare products may expose users to harmful chemicals despite regulations.
7 citations
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March 2004 in “Journal of the American Academy of Dermatology” Tiger tail banding and hair abnormalities are reliable indicators for diagnosing trichothiodystrophy.
December 2025 in “IP Indian Journal of Clinical and Experimental Dermatology” Androgenetic alopecia in males is linked to significant psychological distress, highlighting the need for both mental and dermatological care.
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.
February 2024 in “Folia Medica” Platelet-rich plasma treatment is effective for hair loss in patients regardless of their thyroid antibody levels.
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January 2004 in “AIP conference proceedings” Hair analysis can help screen for serious diseases like cancer and osteoporosis.
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July 2014 in “Acta Crystallographica Section D-biological Crystallography” Mutations in the enzyme don't significantly change how it binds to its specific substances.
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February 2018 in “Oncotarget” Lower SMAD2/3 activation predicts more severe skin cancer.
April 2024 in “Benha Medical Journal” H. pylori infection may be linked to the hair shedding condition Telogen Effluvium.
The document concludes that the development of certain tumors is influenced by genetic background and that a specific gene modification can lead to tumor regression and reduced growth.
269 citations
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May 2002 in “Hormones and Behavior” Lowering 3α,5α-THP in the hippocampus increases anxiety and depression in proestrous rats.
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March 2021 in “Journal of Investigative Dermatology” TRPM5 is crucial for maintaining hair growth.
March 2011 in “European Urology Supplements” CEC levels may be a useful marker for predicting prostate cancer progression.
April 2022 in “Jurnal Penelitian Farmasi dan Herbal” Patchouli leaf extract hair tonic at 15% concentration is best for treating hair loss.
Machine learning improves DNA predictions for eye and hair color, but challenges remain for skin tone and facial features.
March 1996 in “Journal of The American Academy of Dermatology” The book is a useful guide for learning about chemical peels, with practical information for all skill levels.
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January 1983 in “Journal of Chromatography B Biomedical Sciences and Applications” Human hair follicles can assess carcinogen metabolism and imidazole compounds might be effective anticarcinogens.
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August 2002 in “British Journal of Dermatology” ALA-PDT is effective and safe for chronic X-ray dermatitis, providing complete or partial remission.
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August 2016 in “Pan Stanford Publishing Pte. Ltd. eBooks” Low-level light therapy can help with hair growth and preventing hair loss.
May 2010 in “Europe PMC (PubMed Central)” Near-infrared probes can safely and effectively image cysteine protease activity for disease diagnosis.
January 1995 in “대한피부과학회지” Higher hormone levels may be linked to female hair loss.
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January 2021 in “Skin Research and Technology” High-frequency ultrasound effectively measures basal cell carcinoma depth.
May 2024 in “International journal of medicine and psychology.” Transcranial electrical stimulation with bisphosphonates helps maintain bone collagen better than bisphosphonates alone.
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January 2017 in “Iraqi journal of medical sciences” Obese women with PCOS have lower zinc levels than non-obese ones.
November 2010 in “Value in Health” Real-life dosing of biologics for plaque psoriasis often deviates from recommended guidelines, especially for high-need patients.
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August 2023 in “Cutis” Low ferritin levels can indicate iron deficiency as a cause of hair loss.
July 2021 in “Rossiiskii Zhurnal Kozhnykh i Venericheskikh Boleznei” Low vitamin D levels are linked to more skin problems.