36 citations
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January 2017 in “Journal of Obstetrics and Gynaecology Research” The review found no clear link between vitamin D receptor gene variations and polycystic ovary syndrome.
35 citations
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February 1994 in “Fundamental and applied toxicology” High doses of finasteride cause cell growth and tumors in mice.
26 citations
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May 1984 in “Journal of Parenteral and Enteral Nutrition” Biotin supplements restored hair and resolved symptoms in a woman with biotin deficiency.
17 citations
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May 2018 in “Journal of Cosmetic Dermatology” Most women in the study lost hair due to chronic shedding, with stress and nutrient deficiencies being common factors.
14 citations
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January 2013 in “Journal of Cutaneous Medicine and Surgery” Some cancer treatments can cause permanent hair loss.
14 citations
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September 1986 in “Archives of Dermatology” Women with low SHBG levels and a high 3a-diol G to SHBG ratio are likely to experience female pattern baldness, possibly due to a slight excess of androgens affecting sensitive hair bulbs.
13 citations
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October 2017 in “Anais Brasileiros de Dermatologia” Yellow dots in hair and scalp examinations are important for diagnosing different scalp conditions.
11 citations
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January 2011 in “Indian Dermatology Online Journal” Eating dairy and high glycemic foods may increase the risk of acne.
10 citations
,
September 2013 in “Veterinary dermatology” Medroxyprogesterone injections caused hair regrowth in some dogs with alopecia X.
2 citations
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November 2018 in “Medunab” Low ferritin levels are linked to chronic hair loss in women.
2 citations
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March 2017 in “Canadian Urological Association journal” Clomiphene citrate improves fertility in men taking finasteride for hair loss.
2 citations
,
February 2014 in “Journal of the European Academy of Dermatology and Venereology” High levels of prolactin in the blood can be linked to widespread hair loss.
2 citations
,
December 2006 in “Lancet Oncology” Finasteride significantly reduces PSA levels in men, and doctors should adjust PSA readings for those taking the drug.
1 citations
,
February 2021 in “Clinical, Cosmetic and Investigational Dermatology” Low iron levels in the blood could be a sign of Telogen Effluvium, a type of hair loss, but it's not always accurate in distinguishing it from other hair loss types.
1 citations
,
May 2017 in “Journal of The American Academy of Dermatology” People with alopecia areata often have lower vitamin D levels than healthy people.
September 2025 in “Online Türk Sağlık Bilimleri Dergisi” Low zinc and folate levels are linked to hair loss in children.
January 2025 in “Indian Journal of Paediatric Dermatology” Vitamin D deficiency is common in children with and without alopecia areata, and more research is needed.
May 2024 in “Medicine today” Older age, family history, and low iron levels increase the risk of female hair loss.
Metformin helps manage weight, blood pressure, and hormonal imbalances in PCOS patients.
April 2018 in “Journal of Investigative Dermatology” STIM1 is essential for sweat secretion.
December 2020 in “Journal of Skin and Sexually Transmitted Diseases” No strong link between testosterone or DHEAS levels and acne or hair loss in females.
February 2019 in “Journal of Pakistan Association of Dermatology” Many men with male pattern baldness have abnormal blood fat levels, which may raise their risk of heart disease.
Steatocystomas are harmless skin cysts that can vary in size and may sometimes cause itching or pain.
December 2013 in “Macedonian Journal of Medical Sciences” Ovarian steroid cell tumors should be considered in adults with hirsutism and high testosterone, with surgery as the main treatment.
September 2023 in “Clinical, Cosmetic and Investigational Dermatology” Higher SHBG levels are linked to less severe hair loss in women, but vitamin D levels don't seem to affect hair loss.
4025 citations
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December 2003 in “Human Reproduction” The 2003 consensus updated PCOS diagnosis criteria and linked PCOS to higher risks of diabetes and heart problems, recommending lifestyle changes to lower these risks.
305 citations
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February 2007 in “Hormone and metabolic research” Human skin makes sexual hormones that affect hair growth, skin health, and healing; too much can cause acne and hair loss, while treatments can manage these conditions.
239 citations
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July 2002 in “Clinical and Experimental Dermatology” Low iron and L-lysine levels can cause hair loss in women, and increasing these nutrients can reduce hair shedding.
207 citations
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April 2006 in “Journal of The American Academy of Dermatology” Iron deficiency may be related to hair loss, but there's not enough evidence to recommend iron screening or supplements for all hair loss patients.
205 citations
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July 2009 in “Journal of Dermatological Science” Male and female skin differ in many ways, which could lead to gender-specific skin treatments.