March 2025 in “Journal of Endocrinology and Metabolism” Rodent models of PCOS show some hormone changes similar to humans, but also have key differences.
March 2023 in “İnönü Üniversitesi Sağlık Hizmetleri Meslek Yüksek Okulu Dergisi” Obesity is linked to higher metabolic syndrome and LH/FSH ratios, but no significant differences exist among PCOS phenotypes.
11 citations
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March 2019 in “Journal of The American Academy of Dermatology” Some men taking finasteride for hair loss may experience sexual problems like erectile dysfunction and decreased sex drive, which can persist even after stopping the medication.
34 citations
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April 2014 in “Psychopharmacology” Stress and alcohol affect brain chemicals differently in rats, mice, and humans, influenced by genetic differences.
6 citations
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October 2024 in “npj Digital Medicine” Long-COVID causes more health issues after COVID-19, varying by age, sex, and infection wave.
26 citations
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March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
17 citations
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October 2003 in “Brazilian Journal of Medical and Biological Research” The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.
1 citations
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November 2022 in “Frontiers in medicine” The study found that giant pandas have more melanin in black hair follicles than white, with gene expression differences that could affect hair color and skin health.
June 1997 in “Australasian Journal of Dermatology” Researchers found new hair and nail genes, how hair reacts to UV, differences in white and pigmented hair growth, nerve changes in alopecia, treatments for baldness and alopecia, a toenail condition linked to a genetic disorder, and that nail fungus is more common in people with psoriasis.
9 citations
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July 2021 in “Essays in Biochemistry” Sex hormones may influence COVID-19 severity, with males at higher risk, and certain hormone therapies could potentially treat the virus.
6 citations
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December 2011 in “Drug Research” Finasteride's two formulations absorb similarly, showing bioequivalence.
December 2018 in “International journal of women’s dermatology” Differences in skin and gut bacteria may contribute to alopecia areata.
145 citations
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March 2010 in “Fertility and Sterility” Different types of polycystic ovary syndrome (PCOS) have varying severity, with Type I being the most severe and common.
5 citations
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December 2022 in “Genes” Genetic differences affect how people respond to COVID-19.
December 2025 in “Cosmetics” Gut bacteria differences could help diagnose and treat alopecia areata.
April 1974 in “Pediatric Research” The Naked (N) trait in mice is linked to lower glycine and tyrosine in hair proteins.
10 citations
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April 2024 in “International Journal of Molecular Sciences” Gut bacteria differences may influence alopecia areata.
71 citations
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October 2013 in “Experimental Dermatology” Vitiligo and alopecia areata may have similar causes despite their differences.
69 citations
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September 2006 in “Human Reproduction” Women with PCOS have fewer activated T cells in their ovarian follicles, which might affect fertility.
7 citations
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May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
July 2022 in “Journal of Investigative Dermatology” Skin produces different hormones depending on body part and sex, and a new method can measure them.
4 citations
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December 1994 in “PubMed” Cyproterone acetate with estradiol improved women's self-confidence and emotional well-being without a difference between oral or transdermal methods, but younger women preferred the oral method.
31 citations
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March 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” Neuroactive steroids could become safe, effective treatments with more understanding of their complex brain actions and metabolism.
4 citations
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January 2021 in “Genetics and Molecular Biology” COVID-19 treatments and vaccines face challenges due to genetic differences in people and the virus.
24 citations
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January 2011 in “Sexual Development” Intersex frogs have different brain gene activity related to sex and thyroid hormones.
4 citations
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April 1999 in “Dermatologic Clinics” Androgens, like DHT, affect hair growth and treatments like finasteride may help.
January 2018 in “Springer eBooks” Different races and genders have unique skin and hair issues, requiring specialized care and more research for effective treatment.
1 citations
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January 2016 in “Georg Thieme Verlag eBooks” The document concludes that ideal facial proportions are guided by specific measurements and symmetry to enhance beauty, but individual characteristics must be considered.
The white wax scale insect's genome shows that complete metamorphosis evolved earlier than thought and highlights differences in male and female development.
2 citations
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July 2025 in “Scientific Reports” Dermatological diseases affect women's work performance more than men's.