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This study found that some white or grey hairs can naturally regain pigmentation, suggesting hair greying may be reversible in certain conditions linked to psychological stress.

This article discusses the complexities in diagnosing hair shaft disorders and the potential insights hair microscopy can provide, without reporting new clinical findings.

This study investigated the feasibility of measuring scalp hair glucocorticoids as a stress indicator in older adults with intellectual disabilities and found moderate feasibility overall, with higher success in females and those with moderate disabilities, but lower feasibility in males, particularly those balding.

In this study, washing rhesus monkey hair with water or shampoo significantly reduced cortisol levels, suggesting potential underestimation of chronic stress hormone deposition in hair due to washing.

This study found that sampling hair for cortisol analysis in mother-toddler dyads living in low-income U.S. homes is feasible, with 66% of approached dyads participating.

This review discusses the use of hair analysis for detecting misuse of drugs in livestock, covering hair biology, drug incorporation, sampling methods, and analytical techniques, but reports no new findings.

In this study, scalp hair sweating was a significant predictor of hair cortisol levels in healthy adults, while BMI and perceived stress, although associated, did not significantly predict cortisol levels.

This study described a new assay for measuring cortisol in hair and found it may serve as a useful biomarker for long-term cortisol exposure, correlating with 24-hour urine cortisol levels in non-obese subjects.

In this study, anemia was commonly observed in exercising women, especially those with heavy menstrual bleeding, and the authors recommend using a simple screening tool involving haemoglobin testing.

This study explores the complexities of interpreting single drug exposure in hair, emphasizing factors like drug distribution variability and suggests methods to validate single exposure findings in forensic cases.

This study found that female rhesus macaques who gained hair showed a significant reduction in hair cortisol concentrations, suggesting a connection between hair regrowth and stress levels.

This study developed and validated the Hair-Shedding Visual Scale for Asian Women, finding it to be an effective tool for identifying FPHL and TE.

This abstract discusses the role of advanced glycation end-products in aging-related skin damage, but does not provide new findings on their impact on alopecia.

This study found that exogenous melatonin binds to the nuclear receptor RORα in Inner Mongolia cashmere goats, stimulating secondary hair follicle development and promoting villus growth.

This study reports that a robotic device effectively harvests hair follicles with a 95.1% yield in Korean patients undergoing hair restoration surgery.

This article discusses the potential use of hair fibers to noninvasively measure polyamine concentrations as a marker of tumor growth, but reports no new clinical findings.

This study reported that polyamine levels, especially N-acetyl polyamines, were higher in the vertex region of the scalp than in the occipital region in patients with male and female pattern hair loss.

This review discusses the use of stable isotope analysis in primate hair to study feeding behavior and reports no new results; the authors call for methodological refinement in field and lab procedures.

This article discusses the clinical characteristics of pustular skin conditions and reports no new results, highlighting that not all pustular dermatoses are caused by infections.

This review indicates that most studies reported positive effects of platelet-rich plasma injections for treating androgenic alopecia, with no major side effects, suggesting it may be a safe alternative to Minoxidil and Finasteride.

This study suggests that EDA-A2 induces apoptosis in hair follicles by increasing DKK-1 expression, implicating EDA2R signaling as a potential therapeutic target for androgenetic alopecia.

This review suggests that decreased serum 25-hydroxyvitamin D levels may play a role in different types of non-scarring alopecia, but further studies are needed to explore vitamin D supplementation as a therapeutic option.

In this study conducted in Ilam province, Iran, researchers found that 19.35% of red foxes and 17.85% of jackals were infested with at least one type of ectoparasite, primarily Ctenocephalides canis.

In this study, the researchers observed that using a shampoo containing hibiscus extract every two days was more effective at reducing hair loss among a small group of cosmetology students compared to using it every three days.

This study reports distinctive clinical, trichoscopic, and histopathological features of fibrosing alopecia in a pattern distribution among Chinese patients, suggesting possible racial differences compared to previous studies primarily involving Caucasians.

In this study, the fixed oil extracted from Apeiba tibourbou seeds showed potential analgesic and anti-inflammatory properties, with prominent constituents including omega-3 and omega-6 fatty acids.

This review examines the debated link between iron deficiency and nonscarring scalp alopecia in women, offering no new clinical results but emphasizing the need for further research and well-designed trials.

The authors concluded that utilizing clock gene expression from hair follicle cells may improve circadian-phase estimation in clinical settings, aiding the detection of circadian-related sleep problems despite social time constraints.

This retrospective case series reported that pediatric patients with alopecia totalis and subtotalis experienced significant hair regrowth after treatment with the JAK inhibitor upadacitinib, with mild acne as the most common side effect; however, larger studies are needed to establish its efficacy and safety conclusively.

This study found that the secretory profiles of adipose-derived stem cells vary between balding and non-balding scalp areas in androgenetic alopecia patients, suggesting involvement of angiogenic and inflammatory processes in the condition's development.