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This study found that redheaded individuals had higher levels of vitamin D precursor 25(OH)D3 compared to non-redheaded individuals, suggesting a physiological adaptation to low UVB radiation in Europe.

This study concluded that PCOS patients, regardless of weight, have significantly lower serum amylin levels than healthy BMI-matched controls, while serum preptin levels did not vary significantly between groups.

This study found that restoring hypothalamic NPY levels in mice delayed aging-related characteristics such as fat loss, hair loss, and memory decline, suggesting that maintaining these levels could be important for counteracting aging and its effects.

This review explores the potential role of caveolin-1 in cicatricial alopecia, particularly frontal fibrosing alopecia, and discusses possibilities for targeted therapies without providing new research results.

This study found that Chinese patients with alopecia areata, female pattern hair loss, and male androgenetic alopecia had significantly lower serum vitamin D levels than healthy individuals.

In this study, serum omentin-1 levels were significantly higher in females with idiopathic hirsutism compared to those with PCOS and healthy controls.

This study found that renin and d-dimer levels were significantly higher in PCOS patients, particularly those also infected with COVID-19, compared to non-PCOS women.

This review examines the role of IL-15 in alopecia areata treatment but reports no clinical results, as there are currently insufficient studies to determine its therapeutic potential.

This study found that in patients with alopecia areata, serum granulysin levels decreased significantly after treatment with tofacitinib and correlated with reduced disease severity, suggesting serum granulysin as an indicator of immunological activity and response to therapy.

In this study, researchers observed that a significant number of women in Eket, Nigeria, have low testosterone levels, while a subset with high free testosterone may have polycystic ovary syndrome.

This study reported that women with polycystic ovarian syndrome have higher serum irisin levels, which are associated with metabolic and hormonal imbalances, including hyperandrogenism, total cholesterol, and visceral fat.

This study observed a significant association between antigliadin antibodies (IgA and IgG) and alopecia areata severity, suggesting that serological tests could help diagnose subclinical celiac disease in these patients, with IgA and IgG showing 100% sensitivity and specificity at specific cutoff points.

This study found that lower serum BDNF levels were associated with higher depression severity and more severe alopecia areata in patients.

This study found that a combination of cantigi and henna leaf extracts, in a 1:2 ratio, demonstrated the strongest antioxidant activity with an IC50 value of 29.85 µg/mL.

This study found a significant correlation between lower triglyceride levels and reduced acne severity among medical students, while no significant association was observed between BMI and acne severity.

This study found significantly higher levels of Toll-Like Receptor 4, interferon gamma, and interleukin-17 in Iraqi patients with alopecia areata compared to controls, suggesting these immune markers play a crucial role in the disease's development and could be targets for future treatments.

This study found a significant association between lower vitamin D levels and increased severity of androgenetic alopecia in men.

This study found that elevated CgA levels in PCOS are associated with obesity, insulin resistance, and low-grade inflammation, suggesting CgA may be a novel biomarker for metabolic risk stratification in PCOS.

This pilot study found no significant relationship between blood and hair mineral concentrations in generally healthy adults, though hair analysis may have potential for assessing long-term mineral trends.

This study suggests that estimating autism likelihood as early as one month after birth may enable more precise early intervention for children with developmental support needs, potentially improving diagnosis, workflows, and reducing service wait times.

This study found that pediatric alopecia areata patients had significantly lower serum BDNF levels compared to healthy controls, which were associated with greater alopecia severity, higher depressive symptoms, and poorer quality of life.

This study found that patients with alopecia areata had significantly lower serum 25-Hydroxy vitamin D levels compared to healthy controls, and observed a significant inverse relationship between vitamin D levels and disease severity.

This study found that children with alopecia areata had higher levels of oxidative stress markers but showed no significant differences in depression and suicide tendencies compared to healthy peers.

In this study, women with polycystic ovary syndrome showed significantly higher levels of DHEA, IL-6, and TNF-α compared to healthy controls, indicating a possible link between these biomarkers and PCOS.

This study found a widespread vitamin D deficiency among medical laboratory visitors in Misurata City, with 80.42% of females and 19.57% of males affected, and higher deficiency rates during winter and spring, particularly in individuals aged 35–45.

This study found that patients with alopecia areata had significantly higher serum T3 and cortisol levels compared to healthy controls, although both remained within normal ranges, highlighting potential hormonal involvement in the condition. However, no significant differences were observed in T4 and TSH levels.

This study tested a novel cryo-carboxy dispensing device for treating androgenetic alopecia in six volunteers and found an unexpectedly rapid and positive response, with significant hair regrowth observed by day 90, prompting early conclusion of the trial.

This study found that serum cystatin C levels may be elevated in adolescent females with PCOS, suggesting it could serve as a predictive marker for metabolic and cardiovascular issues independent of renal function.

This study suggests that Low-level Laser Therapy may improve pain and quality of life in women with Chronic Pelvic Pain Syndrome, though larger studies are needed to confirm these findings.

This study found that women with idiopathic hyperandrogenemia had higher urinary Bisphenol A levels compared to healthy controls, suggesting a potential role of this chemical in the condition.