June 2026 in “Biomolecules and Biomedicine” This study found that women with PCOS had higher levels of serum phoenixin isoforms, which correlated with reproductive and metabolic markers, suggesting these isoforms may have a potential diagnostic role.
September 2023 in “Clinical, Cosmetic and Investigational Dermatology” This study found a significant negative correlation between serum SHBG levels and androgenetic alopecia severity in women, but not in men, while no significant correlation was observed for testosterone, estradiol, dehydroepiandrosterone sulfate, and vitamin D levels with hair loss severity across genders.
February 2024 in “Malahayati Nursing Journal” This study found that hirsutism in women is associated with elevated androgen hormone levels and increased serum TNFα, suggesting a link between androgen-driven inflammatory responses and excessive hair growth.
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July 2014 in “Journal of X-Ray Science and Technology” This study suggests that hair analysis could serve as a diagnostic tool for detecting calcium channel activity, which influences hair calcium levels and may indicate calcium deficiency or related disease states.
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February 1977 in “PubMed” This study found that exposing seasonally anestrous mares to extended light periods led to the earlier onset of endocrinologically normal estrous cycles, potentially allowing earlier breeding and foaling.