January 2010 in “International Journal of Dermatology and Venereology” Dermal papilla cells play a key role in hair loss by responding to androgens.
October 2007 in “Journal of Korean Medicine Rehabilitation” 110 citations
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January 1995 in “European Journal of Neuroscience” Glycine is a key transmitter in rat spinal cord synapses, often alongside GABA.
42 citations
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September 2002 in “The Journal of Comparative Neurology” Glycine likely affects dendrites connected to hair follicle terminals in rats.
27 citations
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December 2002 in “Journal of dermatological science” Merkel cells and Langerhans cells in hair follicles are closely connected and may interact.
21 citations
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March 2014 in “Clinical and experimental dermatology” Targeting the Wnt pathway might help treat hair loss.
17 citations
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August 2018 in “Ophthalmic Plastic and Reconstructive Surgery” In ptosis, brow elevation doesn't lift the eyelid but is driven by efforts to raise the eyelid.
17 citations
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July 2016 in “The Prostate” Metformin may lower PSA levels, possibly affecting prostate cancer development.
14 citations
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January 1984 in “Nutrition reports international”
13 citations
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January 2015 in “International Journal of Trichology” Higher lead and cadmium, and lower zinc and iron levels in the blood might be linked to chronic hair loss in women.
12 citations
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November 2024 in “Journal of Ovarian Research” Certain inflammatory factors may increase or decrease the risk of developing PCOS.
12 citations
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December 2018 in “Journal of Cosmetic Dermatology” Hair transplant boosts self-esteem and appearance satisfaction, especially in those with high self-esteem.
7 citations
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October 2015 in “American Journal of Primatology” Monkeys with hair loss during pregnancy showed higher stress hormone levels and invested differently in their offspring.
5 citations
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January 2020 in “Journal of Dermatology” Temporal hair loss relates to overall scalp hair loss in women.
4 citations
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March 2022 in “Dermatology and Therapy” People with moderate hair loss from Alopecia Areata feel more impacted than those with no or almost complete hair loss, and are more likely to seek treatment.
4 citations
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January 2016 in “Annals of Dermatology” More severe hair loss links to thicker heart fat, suggesting possible heart disease risk.
4 citations
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January 2010 in “Korean Journal of Family Medicine” Breast cancer patients have lower hair zinc levels, which strongly decrease as BMI increases.
2 citations
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January 2023 in “Dermatology Practical & Conceptual” AB+ blood group is more common in alopecia areata patients.
2 citations
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November 2016 in “PubMed” People with Lichen Planus have thicker carotid artery walls, but it's not solely due to Lichen Planus when other factors are considered.
2 citations
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September 2016 in “Journal of skin and stem cell” Acne is strongly linked to high BMI, hair loss, menstrual issues, family history, and eating too many sweets and fatty foods, but not to excessive hair growth.
1 citations
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November 2025 in “Clinical Cosmetic and Investigational Dermatology” Sleep patterns might be linked to hair loss, but more research is needed.
1 citations
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January 2020 AMH levels in adolescents with PCOS are not affected by their weight.
1 citations
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December 2018 in “Journal of Cosmetic Dermatology” Men with thinner hair from genetic hair loss may be more likely to have an enlarged prostate.
March 2026 in “Berkala Ilmu Kesehatan Kulit dan Kelamin” Wearing headscarves does not cause hair loss.
March 2026 in “Dicle Medical Journal / Dicle Tip Dergisi” Blood groups are not linked to hidradenitis suppurativa.
November 2025 in “DOAJ (DOAJ: Directory of Open Access Journals)” Insomnia may increase alopecia areata risk, but more research is needed.
September 2025 in “Turkish Journal of Dermatology” Oxidative stress may play a role in alopecia areata, but depression and suicide risk are similar to healthy peers.
May 2025 in “Annals of surgical case reports & images.” Certain gut bacteria may protect against hair loss, while others may increase the risk.
Certain gut bacteria may protect against or increase the risk of hair loss.
February 2025 in “Clinical Cosmetic and Investigational Dermatology” Certain blood metabolites are linked to female pattern hair loss, with some increasing risk and others offering protection.