3 citations
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June 2016 in “Dermatology Reports” Finger length ratios don't predict baldness in men.
October 2023 in “Dermatology practical & conceptual” Finger length ratios might help predict common hair loss.
3 citations
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February 2019 in “Disease Markers” The index to ring finger ratio may indicate disease severity in female ankylosing spondylitis patients, but not in males.
Digit ratio likely doesn't predict male hair loss.
December 2025 in “Anatomy (International Journal of Experimental and Clinical Anatomy)” Palmaris longus muscle absence is uncommon and not linked to gender, hand side, or finger ratio.
4 citations
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August 2017 in “Journal of Cosmetic Dermatology” Finger length ratio may indicate male hair loss.
January 2020 in “AYBU AVESIS” No significant differences in finger ratios or autism scores were found between acne patients and healthy individuals.
December 2022 in “The Aging Male” Lower 2D:4D ratio and older age increase the risk of severe hair loss in men.
5 citations
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May 2019 in “Anais Brasileiros de Dermatologia” Finger length ratios might predict risk for skin condition in males.
November 2021 in “Zenodo (CERN European Organization for Nuclear Research)” Understanding the 2D:4D digit ratio in vitiligo patients may help in clinical assessments.
March 2018 in “Benha Journal of Applied Sciences” Finger length ratio is not linked to hirsutism or hormone levels.
June 2018 in “Biomedical Journal of Scientific and Technical Research” Men with lower 2nd to 4th finger ratios tend to have larger sinus volumes.
Women with PCOS have hormonal imbalances and increased central obesity, highlighting the need for early detection and management.
22 citations
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May 1986 in “Clinics in endocrinology and metabolism” Certain finger length ratios and body hair patterns may predict side effects from birth control pills in women.
40 citations
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January 2013 in “Frontiers in Endocrinology” Finger length ratios are not linked to the number of specific gene repeats affecting testosterone sensitivity.
8 citations
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April 2016 in “Anais Brasileiros De Dermatologia” Right hand finger ratio may predict male hair loss.
March 2020 in “UTUPub (University of Turku)” Androgen-driven traits don't predict prostate cancer recurrence.
September 2024 in “Turkish Journal of Dermatology” A lower second to fourth finger length ratio may predict male alopecia areata.
1 citations
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December 2025 in “Selçuk tıp dergisi/Selçuk Üniversitesi Tıp Fakültesi dergisi” Lower 2D:4D finger ratios in HS patients suggest prenatal hormone influence on the disease.
October 2020 in “Проблемы эндокринологии” Men with higher androgen levels may have severe COVID-19 symptoms, but those on antiandrogen therapy are less likely to contract the virus and have milder symptoms. Anti-androgen drugs could potentially treat COVID-19, but more research is needed.
8 citations
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September 2016 in “Journal of Investigative Dermatology” Mice with more Flightless I protein grew back their claws better after amputation.
20 citations
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September 2021 in “Nature communications” Cat color patterns are determined early in development by gene expression and epidermal changes, with the Dickkopf 4 gene playing a crucial role.
September 2016 in “Springer eBooks” Looking older on the outside might be linked to aging faster on the inside and can be affected by lifestyle choices and health risks.
November 2025 in “Journal of Medicine and Health Technology” No link between finger length ratios and color blindness was found.
February 2019 in “Obstetrics and gynaecology cases - reviews” Women with excessive hair growth tend to have shorter index and ring fingers compared to others.
219 citations
,
September 2009 in “European journal of epidemiology” The Rotterdam Study aims to understand various diseases in older adults.
13 citations
,
September 2022 in “Materials & design” The new patch for treating mouth sores releases medicine slowly, sticks well, and helps healing without the side effects of current creams.
1 citations
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September 2025 in “Cureus” ChatGPT-5 can pass the endocrinology exam but isn't fully reliable for clinical decisions yet.
New peptides can delay aging and improve cell function.
January 2025 in “Cellular and Molecular Biology” The PIP5K1A gene helps cashmere growth in goats by promoting cell proliferation, and melatonin boosts its expression.