November 2005 in “Hair transplant forum international” This paper discusses how studying hair follicles in the balding scalp could reveal fundamental biological processes, without reporting new experimental findings.
March 2025 in “American journal of biochemistry & biotechnology/American journal of biochemistry and biotechnology” This study observed that individuals with hair loss had significantly higher levels of serum galanin, troponin, prolactin, and FSH, and lower levels of TSH, zinc, magnesium, copper, iron, and calcium compared to healthy controls, suggesting a potential role of these biomarkers in hair loss.
January 2024 in “World Journal of Biology Pharmacy and Health Sciences” This study observed that women with hair loss had significantly higher serum prolactin levels compared to healthy controls. Additionally, a positive correlation between prolactin and vitamin D levels was reported, indicating potential roles for these factors in women's hair loss.
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April 2019 in “Molecules” This study found that a blackcurrant extract with phytoestrogen activity increased hair number and stem cell marker expression in a menopausal rat model, suggesting a potential benefit for hair loss.
July 2014 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” AA-PRP injections significantly promote hair growth but need better study design for clear efficacy.