September 2023 in “Environmental health perspectives. Supplements” Girls in Alcalá have higher hair calcium and strontium levels than boys, with lower overall levels than other regions.
3 citations
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February 2010 in “PubMed” Higher protein intake might be linked to hair loss.
1 citations
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February 2023 in “Animals”
August 2025 in “Nutrients” Eating more antioxidant-rich foods and less alcohol may help reduce hair loss.
May 2025 in “Preprints.org” Olive oil byproducts can improve skin and hair care products due to their beneficial compounds.
May 2025 in “Preprints.org” Olive oil byproducts can improve skin and hair care products and help prevent skin cancer.
May 2025 in “Preprints.org” Olive oil byproducts can be used in skincare for their antioxidant and protective benefits.
20 citations
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June 2020 in “Journal of Advanced Research” High-dose vitamin A and E with zinc improved blood sugar control and insulin function in diabetics, but may cause hair loss.
72 citations
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November 2020 in “Frontiers in Pharmacology” Jujube fruit may help prevent anemia by boosting blood production.
11 citations
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October 2020 in “Sultan Qaboos University medical journal” Bariatric surgery helps with weight loss but can cause complications and nutritional deficiencies.
October 2017 in “The American journal of gastroenterology” Taking He Shou Wu (Polygonum multiflorum) caused liver injury in a woman using it for hair loss.
April 2017 in “Journal of Dermatological Science” Zinc deficiency disrupts hair growth and regeneration, but can be reversed with zinc supplementation.
29 citations
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February 1987 in “General and comparative endocrinology” Thyroid and gonadal hormones control seasonal hair growth and molting in male European badgers.
166 citations
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November 2008 in “Expert Review of Endocrinology & Metabolism” Biotin and biotinidase are essential to prevent health issues, and deficiencies require lifelong supplementation.
30 citations
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October 2009 in “Journal of Veterinary Internal Medicine” A Pomeranian dog had rickets due to a new gene mutation, leading to severe symptoms and euthanasia.
1 citations
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January 2020 in “Saudi Surgical Journal” Bariatric surgery can lead to zinc deficiency and hair loss.
January 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Collagen supplements may improve skin and joint health but have inconsistent effects on blood sugar and heart health.
January 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Collagen supplements may modestly improve skin and joint health, but effects on metabolism and blood sugar are inconsistent.
March 2018 in “The journal of applied laboratory medicine” The rash on the infant indicated a serious underlying condition.
July 2012 in “Hair transplant forum international” Lifestyle choices like stress, smoking, heavy drinking, sun exposure, and chemical hair treatments might speed up hair loss in people with androgenetic alopecia.
71 citations
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January 2016 in “International Journal of Trichology” Biotin deficiency is not a major cause of hair loss in women, so biotin supplements are not likely to be an effective hair loss treatment.
19 citations
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September 2009 in “PubMed” Green tea extract for hair loss may cause liver damage.
7 citations
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May 2021 in “Dermatologic Clinics” Nutraceuticals like Ashwagandha and Astaxanthin may help with hair loss, but supplement regulation is challenging.
4 citations
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January 2023 in “Frontiers in Medicine” Zinc is important for skin health, and supplements can help treat various skin and hair disorders, but more research is needed for conditions like psoriasis and vitiligo.
September 2023 in “F&S reports” PCOS may increase the risk of mental health issues like depression and anxiety.
73 citations
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October 2001 in “Epilepsia” Children taking higher doses of valproic acid had lower biotinidase activity, which may lead to biotin deficiency, but biotin supplements could help.
18 citations
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July 2016 in “Clinics in dermatology” Nutrition affects skin health differently based on age and condition.
January 2026 in “International Journal of Peptide Research and Therapeutics” Collagen supplements improve hair health and are safe.
November 2025 in “Quality in Sport” Collagen supplements improve skin, hair, and nails, especially with vitamin C and minerals.
January 2025 in “Scientific Reports” Hair analysis can show changes in vitamin D levels over time.