3 citations
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June 2016 in “Dermatology Reports” This study concluded that the digit-length ratio (2D:4D) does not predict androgenic alopecia development, suggesting prenatal androgen exposure does not predispose men to this condition.
November 2021 in “Zenodo (CERN European Organization for Nuclear Research)” This study found that among vitiligo patients in south-southern Nigeria, there were significant correlations between digit lengths and digit ratio, but further research is needed due to the small sample size.
March 2020 in “UTUPub (University of Turku)” This study found that self-reported androgen-driven phenotypes, like balding and finger length ratios, were not associated with cancer aggressiveness or biochemical recurrence in prostate cancer after prostatectomy.
January 2020 in “AYBU AVESIS” This study found no significant difference in 2D:4D ratios and autism questionnaire scores between acne vulgaris patients and healthy controls, despite investigating potential links in this novel context.
8 citations
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April 2016 in “Anais Brasileiros De Dermatologia” This study found that males with androgenetic alopecia had a significantly lower 2D:4D digit length ratio in the right hand compared to healthy controls, which may indicate prenatal androgen exposure.
