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This study found that hair cortisol concentration is consistently associated with salivary cortisol output throughout the day, making it a potential reliable biomarker of long-term cortisol secretion.

This study reports that electromagnetic energy from a hydrocolloid wound dressing paste adversely affected human skin lipid droplets in vitro, but the implications, including potential cancer links, are unknown.

This case report described a 9-year-old girl initially suspected to have complete androgen insensitivity syndrome, whose laboratory tests later suggested an alternative diagnosis involving atypical steroid metabolism patterns and hormonal responses.

Hair cortisol levels can indicate stress and are affected by washing frequency, not cosmetic treatments.

This investigation found that certain supplements, particularly whey protein isolate, growth hormones, and anabolic steroids, can negatively impact hair loss by affecting biochemical pathways.

This study found no significant difference in hair cortisol concentrations between sows confined in farrowing crates and those in loose-housing systems, suggesting confinement may not affect chronic stress levels.

In this correspondence, an observed pattern of significant hair shedding occurred four to six weeks after women discontinued chorionic gonadotropin and a 400-calorie diet, ruling out other common causes of telogen effluvium.

Sudden weight loss can cause significant hair loss, and using colchicine on the skin for psoriasis may be unsafe.

This study found no baseline factors that predicted flibanserin efficacy for HSDD, though low testosterone or use of hormonal contraceptives were associated with reduced efficacy.

In 2013, the FTC settled with hair company Bosley over claims it illegally shared business information with a competitor.

This integrative literature review found that hydroxychloroquine may stabilize inflammatory scarring autoimmune alopecias like frontal fibrosing alopecia, especially when combined with other therapies, while its effectiveness in non-scarring alopecias appears inconsistent and is limited to refractory cases.

In this case study, researchers observed a 5.8-year-old male with peripheral precocious puberty due to a germ cell tumor, marked by elevated human chorionic gonadotropin levels. Treatment normalized hormone levels and arrested the puberty progression, highlighting melatonin's potential role in transitions to central precocious puberty.

In this study, women with PCOS were found to have higher BMI, insulin resistance, and homocysteine levels, which are key predictors of the condition.

This study explored the relationship between menopause symptoms and hair cortisol concentrations among midlife Latinas, finding that vasomotor symptoms were associated with higher hair cortisol levels, suggesting a link warranting further investigation with larger sample sizes and multiple time points.

In this study, researchers observed a curvilinear relationship between loneliness and hair cortisol concentration among older adults at elevated cardiovascular risk, with cortisol levels higher at low-to-moderate loneliness and lower at higher loneliness, though results were sensitive to some data exclusions.

This study reported that the anti-γc antibody hC2 restored hair follicle homeostasis and suppressed hair loss in an AA-like mouse model by inhibiting autoreactive T-cell activity, suggesting that hC2 may offer a safer and more effective treatment for alopecia areata compared to current Jak inhibitors.

This review highlights that hair cortisol levels, linked to pregnancy changes and higher in conditions like PCOS, are promising stress biomarkers in female reproductive health, though further research is needed.

This study observed significantly higher hair cortisol concentrations in foals compared to mares, with a strong positive correlation between the two, suggesting that hair cortisol can reflect maternal and fetal cortisol exposure during the last trimester of gestation in horses.

This study suggests that hair cortisol concentration may not reliably indicate psychological distress or differentiate clinical from non-clinical populations, as observed in a female PhD student over nine years.

Lower family income is linked to more stress in parents and more behavior problems in children.

Lye relaxers don't significantly change hair cortisol levels.

Hair cortisol levels decrease as children age, stabilizing around age 4.

This study examines various methodological factors affecting hair cortisol concentration analysis, finding inconsistent results on the impact of factors like resuspension solution, hair weight, extraction duration, and hair-cutting method.

In a murine model of alopecia areata, this study observed that the IL-2 fusion protein HCW9302 helped prevent disease development by expanding regulatory T cells and reducing disease-causing effector T cell infiltrates, suggesting potential for using IL-2 fusion proteins in alopecia areata treatment.

This study reports that prenatal and prepubertal exposure to organochlorine compounds and perfluoroalkyl substances may affect pubertal development at age 12, with observed changes in development patterns in both girls and boys, highlighting the need for further research.

This study found that in domestic cats, black hair contained significantly higher cortisol concentrations than white hair, whereas ginger hair showed no significant difference compared to white hair. Additionally, a positive correlation was reported between hair cortisol levels and behavioral issues mentioned by cat owners.

This review discusses recent studies on the hepatotoxic effects of anabolic androgenic steroids and selective androgen receptor modulators, including liver damage, tumors, and related conditions, and reports no new primary research results.

Enhancing Tregs can protect against alopecia areata.

This case report highlights lichen planus pigmentosus in a 60-year-old man, which was linked to previously undetected hepatitis C infection and liver cirrhosis, suggesting a need for hepatitis C testing in patients with similar dermatological manifestations.

In this research, RNA expression analysis of scalp biopsies from lichen planopilaris patients revealed changes in specific genes after treatments with hydroxychloroquine, narrow band UVB, or low level laser light therapy, suggesting potential biomarkers and implicating M2 macrophages in the disease's immunopathogenesis.