August 2016 in “Journal of Investigative Dermatology” This study suggests that differential expression of miRNAs in hair follicles from the frontal and occipital scalp may contribute to the androgen-dependent changes seen in male pattern baldness.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” This study found that the leaf extract of Tectona grandis and its major bioactive constituents moderately inhibit the 5α-reductase enzyme, which is linked to androgenetic alopecia, and also possess anti-inflammatory properties, showing promise as dual-action candidates for managing this condition.
January 2021 in “Journal of Research in Medical and Dental Science” This study found that patients with androgenetic alopecia, particularly those with a U pattern, are prone to insulin resistance, with high fasting blood sugar and triglyceride values.
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February 1990 in “Journal of Applied Social Psychology” This study found that men with common male pattern baldness received less favorable initial social perceptions, including lower ratings of physical attractiveness, than their nonbalding counterparts.
July 2007 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” This study introduced the BASP classification, a new system for categorizing pattern hair loss in both men and women, and applied it to analyze 2213 Korean subjects.