October 2025 in “International Journal of Cosmetic Science” Hair properties vary by ethnicity and environment, affecting surface charge and particle deposition.
July 2025 in “Clinical Dermatology Review” PRP significantly boosts hair growth in androgenic alopecia patients.
January 2025 in “Cellular and Molecular Biology” The PIP5K1A gene helps cashmere growth in goats by promoting cell proliferation, and melatonin boosts its expression.
February 2024 in “Scientific Reports” The wolves suspected of man-eating in the 1880s likely ate very little human flesh and mostly consumed a diet similar to herbivores and omnivores.
Forensic hair analysis for drugs is now more reliable and accurate.
Hair test results can be misleading due to external contamination, so they shouldn't be used alone to assess long-term drug use.
December 2004 in “Medicine” A thorough history and examination are crucial for diagnosing skin diseases, which affect up to a third of people. This includes details about skin lesions, medication, general health, lifestyle, family, and contacts, as well as examining the rash, hair, nails, and mucous membranes. Changes in hair and nails can also indicate other medical and skin disorders.
April 1998 in “Journal of women's health” Hair loss in women is often due to hereditary conditions or stress, and while treatments like minoxidil can help, diagnosis and management require medical guidance.
January 1977 in “Case Reports in Medicine” Steroid cell tumors in the ovary are rare, can produce testosterone causing symptoms, and are mainly treated with surgery.
2 citations
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March 2005 in “Journal of the American Academy of Dermatology” Wigs are still a popular solution for hair loss to maintain a youthful look.
October 2025 in “Diseases” Women with hair loss often have deficiencies in iron, vitamins, minerals, and lower thyroid function, suggesting the need for nutritional and hormonal treatment.
March 2025 in “Journal of Cutaneous and Aesthetic Surgery” The cytokine and peptide serum was most effective in reducing hair loss and improving hair growth.
21 citations
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January 2014 in “Dermatology Research and Practice” Hair and serum levels of zinc, copper, and iron are similar in people with alopecia areata and healthy individuals.
May 2024 in “Frontiers in medicine” A genetic mutation in the LIPH gene causes tightly curled hair that stops growing in some Japanese individuals.
128 citations
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January 1996 in “Journal of analytical toxicology.” Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.
72 citations
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February 2011 in “American Journal of Biological Anthropology” The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.
57 citations
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January 2014 in “Cold Spring Harbor Perspectives in Medicine” Skin stem cells maintain and repair the outer layer of skin, with some types being essential for healing wounds.
27 citations
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April 2020 in “Molecular Biology and Evolution” Ancient Chinese goats evolved cashmere-producing traits due to selective breeding, particularly in genes affecting hair growth.
21 citations
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September 2018 in “International journal of women’s dermatology” People with Lichen planopilaris are more likely to have certain autoimmune and endocrine disorders but less likely to have conditions like allergies and diabetes.
11 citations
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February 2019 in “Stem cells international” Skin-derived stem cells grow faster and are easier to obtain than hair follicle stem cells, but both can become various cell types.
9 citations
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March 2022 in “Journal of radiation research” Boron neutron capture therapy for head and neck cancer can cause side effects like mouth sores and skin irritation, which vary depending on where the treatment is aimed.
6 citations
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November 2017 in “Scientific reports” The R343H mutation in the VDR gene causes vitamin D-resistant rickets with alopecia by impairing specific gene activity.
4 citations
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July 2022 in “Scientific reports” Crossbreeding improves goat fiber quality, and specific genes affect hair traits and color.
4 citations
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September 2019 in “Journal of cosmetic dermatology” Topical bimatoprost 0.01% improves eyebrow density and diameter, especially at the tail.
3 citations
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January 2021 in “Plastic and Aesthetic Research” Hair loss reduces hair thickness and coverage, but drug treatments mainly revive dormant hairs rather than reverse thinning; patients often undervalue their hair loss severity.
1 citations
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October 2023 in “Biology” Fasting in hens affects thyroid hormones, which regulate feather and hair growth.
1 citations
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January 2021 in “Open Access Journal of Cancer & Oncology” Energy healing treatment improved flutamide's solubility and stability, potentially enhancing its effectiveness for prostate cancer.
1 citations
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January 2017 in “The Annals of Clinical and Analytical Medicine” Vitamin D receptor gene changes don't affect alopecia areata risk.
September 2025 in “International Journal of Molecular Sciences” Hair analysis could help diagnose and treat schizophrenia more effectively.
June 2025 in “Journal of Cosmetic Dermatology” Dutasteride 0.5 mg/day is the most effective treatment for male pattern hair loss.