3 citations
,
June 2016 in “Dermatology Reports” Finger length ratios don't predict baldness in men.
November 2021 in “Zenodo (CERN European Organization for Nuclear Research)” Understanding the 2D:4D digit ratio in vitiligo patients may help in clinical assessments.
4 citations
,
August 2017 in “Journal of Cosmetic Dermatology” Finger length ratio may indicate male hair loss.
March 2020 in “UTUPub (University of Turku)” Androgen-driven traits don't predict prostate cancer recurrence.
5 citations
,
May 2019 in “Anais Brasileiros de Dermatologia” Finger length ratios might predict risk for skin condition in males.
October 2023 in “Dermatology practical & conceptual” Finger length ratios might help predict common hair loss.
March 2018 in “Benha Journal of Applied Sciences” Finger length ratio is not linked to hirsutism or hormone levels.
January 2020 in “AYBU AVESIS” No significant differences in finger ratios or autism scores were found between acne patients and healthy individuals.
22 citations
,
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
,
January 2013 in “Frontiers in Endocrinology” Finger length ratios are not linked to the number of specific gene repeats affecting testosterone sensitivity.
8 citations
,
April 2016 in “Anais Brasileiros De Dermatologia” Right hand finger ratio may predict male hair loss.
September 2024 in “Turkish Journal of Dermatology” A lower second to fourth finger length ratio may predict male alopecia areata.
3 citations
,
February 2019 in “Disease Markers” The index to ring finger ratio may indicate disease severity in female ankylosing spondylitis patients, but not in males.
17 citations
,
January 1997 in “Cell and Tissue Research” Scientists developed a method to grow human fetal skin and digits in a lab for 3-4 weeks, which could help study skin features and understand genetic interactions in tissue formation.
8 citations
,
September 2016 in “Journal of Investigative Dermatology” Mice with more Flightless I protein grew back their claws better after amputation.
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.
5 citations
,
February 2011 in “Expert Opinion on Drug Discovery” We need better treatments for hair loss, and while test-tube methods are helpful, they can't fully replace animal tests for evaluating new hair growth treatments.
3 citations
,
May 2019 in “Journal of Cosmetic Dermatology” Miliacin with polar lipids helps hair growth and improves hair loss in women.
3 citations
,
January 2016 in “Biotechnology and Bioprocess Engineering” Laminaria japonica extract with IGF-1 improved mouse hair growth and could be a potential alopecia treatment.
1 citations
,
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 2025 in “Scientific Reports” AR gene variations don't affect aging markers in men.
June 2018 in “Biomedical Journal of Scientific and Technical Research” Men with lower 2nd to 4th finger ratios tend to have larger sinus volumes.
44 citations
,
February 2023 in “Cell” Fingerprints form uniquely before birth due to specific genetic pathways and local signals.
Ganoderma lucidum extract promotes hair growth in bald rats, with higher doses producing better results, similar to the effects of Minoxidil 2%.
November 2025 in “Journal of Medicine and Health Technology” No link between finger length ratios and color blindness was found.
37 citations
,
August 2014 in “Journal of experimental botany” A gene in Arabidopsis thaliana, AtPRPL1, affects root hair length but not cell wall composition.
10 citations
,
October 2016 in “Experimental Dermatology” Nail stem cells and Wnt signaling are important for fingertip regeneration but not sufficient for regenerating more complex limb structures.
6 citations
,
September 2021 in “Experimental Brain Research” Rats have different touch receptors in their paws that help with movement and handling objects.
10 citations
,
December 2019 in “International journal of medicinal chemistry” Chemicals from the plant Dicerocaryum senecioides were found to safely speed up and increase hair growth in mice.
9 citations
,
September 2015 in “Reproductive Biomedicine Online” Longer GGN repeats in the androgen receptor gene are linked to polycystic ovary syndrome.