Certain genes may influence hair loss differently in men and women.
January 2018 in “Springer eBooks” Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.
8 citations
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January 1986 in “Journal of hepatology” Men with liver cancer have higher levels of a specific testosterone byproduct in their liver and blood, despite overall lower male hormone levels.
January 2017 in “Clinical & medical biochemistry” Certain gene variations in AKT2 are more common in women with PCOS and are linked to higher levels of specific hormones and symptoms.
August 2024 in “Journal of Animal Science and Technology” Angora goat hair growth is influenced by gene expression, sex hormones, and breed differences.
January 2025 in “Science World Journal” Male and female scalp hair differ in size, density, length, curliness, pigmentation, and cuticle preservation.
63 citations
,
December 2010 in “Journal of Endocrinology” Reduced neurosteroids and growth issues can harm fetal brain development, especially in males.
197 citations
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June 2009 in “American journal of human genetics” WNT10A mutations often cause ectodermal dysplasias, with males showing more tooth issues than females.
13 citations
,
December 2018 in “Development, Growth & Differentiation” Sex hormones, especially estradiol, can change chicken feather shapes and colors.
19 citations
,
May 2019 in “JAMA dermatology” People with alopecia areata have similar overall death rates as others but higher risks of death from self-harm, psychiatric issues, and lung cancer in certain cases.
34 citations
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March 2003 in “Veterinary Dermatology” Most dogs with alopecia had higher than normal levels of certain hormones, but hair loss might not always be linked to these hormone changes.
5 citations
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January 2025 in “Science Advances” 5α-reductase 2 is crucial for stress response in male rats.
June 2009 in “マテリアルインテグレ-ション” Men's cosmetic procedures need to consider male-specific differences for better results.
31 citations
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February 1997 in “The Journal of Clinical Endocrinology and Metabolism” People who carry the 21-Hydroxylase Deficiency gene are not more likely to have excessive male hormone levels.
50 citations
,
May 2018 in “International journal of cardiology” Testosterone is linked to cardiovascular risk factors and stroke, but its exact role is unclear.
13 citations
,
July 2018 in “General and comparative endocrinology” Thyroid hormones and androgens affect gene expression in frog reproductive organs differently between males and females.
January 2016 in “Human & Experimental Toxicology” A specific DNA sequence caused hair loss in male mice by activating immune cells and increasing a certain immune signal.
10 citations
,
January 2017 in “The World Allergy Organization journal” Gender differences affect allergy prevalence, severity, and response to environmental toxins, with women often more affected than men.
5 citations
,
January 1976 in “Acta Dermato Venereologica” Sodium and potassium levels in Egyptian scalp hair differ by sex and can aid in legal cases.
2 citations
,
January 1976 in “Munich Personal RePEc Archive (Ludwig Maximilian University of Munich)” Sodium and potassium levels in Egyptian scalp hair differ by sex and can aid in legal cases.
27 citations
,
November 2021 in “Scientific Reports” Men are more affected by COVID-19 due to differences in immune responses and protein expression.
1 citations
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September 2020 in “Journal of the Endocrine Society” Men have worse COVID-19 outcomes than women due to genetic and hormonal differences.
January 2018 in “Digital Scholarship - UNLV (University of Nevada Reno)” Hair cortisol levels can indicate chronic stress in children, with differences seen between races.
January 2021 in “Deep Blue (University of Michigan)” Androgen receptors in the brain affect metabolism and reproduction differently in males and females, and may help manage PCOS symptoms in females.
September 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Hair loss in males and females is influenced by immune cell interactions, with potential treatments identified.
February 2021 in “Journal of nursing education and practice” Women and men experience different quality of life and symptom distress after kidney transplant with immunosuppressive therapy.
59 citations
,
November 2018 in “Psychoneuroendocrinology” Lower levels of certain brain chemicals are linked to worse PTSD symptoms in men.
13 citations
,
January 2020 in “Neuroscience” Blocking 5α-reductase can harm memory and brain structure, and increase harmful brain changes in male mice used for Alzheimer's disease research.
January 2020 in “Research Portal Denmark” A short male anogenital distance may indicate incomplete masculinization due to disrupted androgen action.
38 citations
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May 2010 in “American Journal Of Pathology” 17β-Estradiol slows wound healing in male mice through estrogen receptor-α.