September 2025 in “Biology of Sex Differences” This analysis found that females have a higher lifetime risk of alopecia areata across various regions and time periods, with increased risk associated with higher socio-demographic index levels.
April 2021 in “Medical Science and Discovery” This study found that men with early androgenetic alopecia had higher levels of free testosterone, DHEAS, and LH, along with insulin resistance and higher homocysteine levels, suggesting they share risk profiles similar to PCOS in women.
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August 2024 in “British Journal of Dermatology” This study highlights that the incidence and mental health impact of alopecia areata is higher among non-White ethnic groups, emphasizing the need for targeted healthcare for those at greatest risk.
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April 2022 in “Dermatologic Surgery” This article introduces the Progressive Loss (PL) Scale, aimed at helping physicians communicate the long-term cosmetic risks of hair restoration surgery to patients.
August 2024 in “Research Square (Research Square)” This study found that women taking 5α-reductase inhibitors (5aRI) for alopecia had a lower risk of breast cancer compared to those not using these medications, with no increased risk of developing ovarian or endometrial cancer.