January 2026 in “Digitalen Hochschulbibliothek Sachsen-Anhalt (Universitäts- und Landesbibliothek Sachsen-Anhalt)” Keratin from chicken feathers can be safely used for skin benefits.
January 2026 in “Queensland University of Technology” Dietetic-led cognitive-behavioral therapy may improve treatment for adults with ARFID.
November 2025 in “Frontiers in Animal Science” A new model accurately predicts water intake in hair sheep using dry matter intake.
May 2025 in “Veterinary Medicine and Science” Melatonin improved reproductive function in male Pomeranian dogs with Alopecia X, but more research is needed.
January 2025 in “Epsilon Open Archive (Sveriges lantbruksuniversitet biblioteket (Swedish University of Agricultural Sciences))” A new model accurately predicts water intake in hair sheep using dry matter intake.
Transplanted rat hair follicles grew hair and had increased but not fully restored nerve connections in mice.
November 2022 in “Journal of the Endocrine Society” Excessive iodine from a cystic fibrosis supplement can cause hypothyroidism.
May 2019 in “Asian Journal of Pharmaceutical and Clinical Research” Unhealthy diets are linked to higher BMI in young women with PCOS.
April 2012 in “The Journal of Urology” Eating more omega-3 and less omega-6 fatty acids may lower the risk of developing prostate cancer.
K15 and Id3 are important in hair follicle regeneration, with K15 increasing in early stages and Id3 responding later.
October 2021 in “European urology open science” 94 citations
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August 2002 in “Experimental Dermatology” 17α-estradiol boosts aromatase activity in female hair follicles, potentially helping with hair loss.
49 citations
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December 2007 in “Journal of Cataract and Refractive Surgery” Finasteride may cause floppy-iris syndrome during cataract surgery, so check patients' medical history.
30 citations
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January 2023 in “EFSA journal” Adults should not consume more than 255 micrograms of selenium per day to avoid risk of hair loss and other side effects.
28 citations
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June 1994 in “Journal of Dermatological Science” Proteolytic activity in mouse skin changes with hair cycle stages, peaking in early anagen.
11 citations
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January 2018 in “Acta dermato-venereologica” Researchers found specific genes in the part of hair follicles that could help treat hair disorders.
10 citations
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June 2013 in “International Journal for Vitamin and Nutrition Research” High hair calcium levels are linked to low calcium intake and low bone density.
2 citations
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November 1995 in “American Journal of Obstetrics and Gynecology” Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.
Selenium is essential for health, but too little or too much can cause serious health problems.
June 2025 in “Annals of the Rheumatic Diseases” Pregnant women with rheumatic diseases often have poor nutrition, needing more folic acid, calcium, and iron, while consuming too much selenium.
June 2023 in “Hanguk ingeurie hakoeji” Eating fermented protein made from black bean powder twice a day for 60 days improved hair density but not scalp condition or hair thickness.
January 2021 in “Journal of Scientific Research of the Banaras Hindu University” Lifestyle changes and medical treatment can help manage PCOS symptoms in young adults.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Mouse skin glands need healthy nerves to grow properly during hair growth phases.
October 2012 in “European Neuropsychopharmacology” People with early psychosis eat more calories, saturated fat, and sugar, and the drug olanzapine may lead to eating even more calories.
21 citations
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February 2003 in “Hormones and Behavior” Androgens boost certain nest-building behaviors and greatly reduce food intake in rabbits.
5 citations
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June 2015 in “Journal of dermatology” A woman and her daughter had thallium poisoning from a herbal drink and rodenticide, causing hair loss and other symptoms.
5 citations
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October 1988 in “Clinics in Dermatology” A method was developed to grow hair follicles in a lab for research on hair growth and health.
3 citations
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May 2018 in “The Journal of the American Animal Hospital Association/Journal of the American Animal Hospital Association” Deslorelin implants successfully treated hair loss in two male Keeshonden dogs.
February 2026 in “International Journal of Biological Macromolecules” Keratin from waste hair and feathers can be sustainably used to create stable emulsions for industrial applications.
August 2024 in “Nutrients” Probiotics help reduce hair loss and increase hair growth in people with androgenic alopecia.