Increased calcium in hair may signal early bone health issues in menopausal women.
Early baldness and little chest hair may indicate higher prostate cancer risk.
January 2026 in “Open Veterinary Journal” PUFA-rich oil improves pet hair quality but may raise triglyceride levels.
20 citations
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July 2006 in “Veterinary dermatology” Melatonin helped some Pomeranian dogs regrow hair, but it wasn't linked to estrogen receptors.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
March 2022 in “Annals of Bariatric Surgery” Protein supplements with zinc, iron, and B vitamins reduce hair loss after sleeve gastrectomy.
A balanced diet is crucial for normalizing hormone levels and managing obesity-related issues.
March 2024 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Soy hull supplement does not affect sheep and lamb growth or reproductive performance compared to corn-based supplements.
3 citations
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January 2017 in “Journal of cosmetology & trichology” The food supplement with L-cystine, Serenoa repens extract, and biotin safely reduced hair loss and improved hair growth in men and women.
August 2015 in “Europe PMC (PubMed Central)” Using body measurements can help achieve good results in plastic surgery like reshaping the torso, but it doesn't work for all body types.
January 2026 in “Mendeley Data” January 2026 in “Mendeley Data” 1 citations
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February 2023 in “Animals” 3 citations
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January 2018 in “Journal of probiotics & health” December 2025 in “Journal of the American Academy of Dermatology” April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” April 2026 in “Zenodo (CERN European Organization for Nuclear Research)”
January 2026 in “Frontiers in Nutrition” Certain dietary supplements can improve hair density and are well-tolerated for treating androgenetic alopecia.
Two nutritional supplements improved hair growth and reduced hair loss in women with hair loss conditions.
Medical Hair Restoration added a non-surgical hair therapy program to help people with early hair loss.
98 citations
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October 2012 in “Dermatologic Clinics” Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.
78 citations
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January 2017 in “Skin appendage disorders” Biotin supplements may improve hair and nail growth in people with certain deficiencies or conditions, but there's not enough evidence to recommend it for healthy individuals.
24 citations
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May 2017 in “PubMed” Biotin supplements for hair improvement are popular without scientific proof of effectiveness.
19 citations
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January 2015 in “Current problems in dermatology” Ultraviolet rays damage hair, smoking may cause hair loss, and good nutrition is important for hair health, but genetics mainly decide hair thickness.
5 citations
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September 2017 in “Plastic and Aesthetic Research” Low dose cyclical nutrition therapy can consistently and safely improve hair growth and density without needing anti-androgens.