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This study developed PiSCES biosignatures that distinguished alopecia areata patients from controls, revealing enhanced basal TCR signaling and a potential disease-specific signaling network signature.

This study used micro-segmental hair analysis to identify the day of drug intake and suggested differing uptake mechanisms for co-administered drugs based on their properties.

This study found that men with early-onset androgenic alopecia had a higher prevalence of metabolic syndrome compared to controls without the condition.

Cortisol and cortisone release from hair increases in steps over time during incubation.

This review identified several changeable psychosocial factors, like acceptance, as potential targets for interventions aimed at reducing self-stigma and improving mental health in affected individuals.

In this study, combining topical calcipotriol with mometasone results in greater improvement in alopecia areata treatment compared to using mometasone alone, as evidenced by a more significant reduction in SALT score over 24 weeks.

In this study, researchers using Mendelian randomization found a potential causal relationship between the gut microbiome and alopecia areata, with 16 gut microbial taxa showing links to the condition, though reverse causation results were not statistically significant.

This study developed new genetic prediction models for male pattern baldness with improved accuracy by utilizing a large set of markers and independent datasets, making them the most reliable available for this trait.

This study developed a two-step diagnostic model using transcriptome biomarkers from hair follicles to improve the accuracy of methamphetamine use disorder diagnosis, achieving high prediction accuracy in distinguishing non-recovered and almost-recovered patients from healthy controls.

This study found that IsoPSA's ability to detect both any prostate cancer and clinically actionable prostate cancer remains unaffected by medications like 5-ARIs and α-blockers, which are commonly used to treat benign prostatic hyperplasia symptoms.

This study found that hair treated with a supplemental hair care product showed significantly higher absorption, deeper penetration, and reduced dryness compared to untreated and water-treated hair, as measured with 3D Raman spectroscopy.

This study found that pediatric alopecia areata patients with atopic predisposition showed heightened immune and inflammatory responses, including significant immune cell infiltration, compared to adults and healthy controls.

In this study, a bleaching protocol was developed to evaluate hair repair products, revealing that K18® and Olaplex® improve hair brightness and lightness, with distinct impacts on hair fiber properties.

This study found that a bio-based repair solution containing hydrolysed wool keratin, serine, and transglutaminase improved the physical and chemical properties of damaged hair, increasing its strength, flexibility, and thermal stability while offering long-lasting protection against chemical damage.

In this study, researchers found that while chest hair can be a reliable alternative to scalp hair for ethylglucuronide testing, seasonal factors may affect concentration levels and should be considered in result interpretation.

This study found that gaze duration in a social evaluation task was linked to mental health outcomes in trans men, trans women, and cisgender women more than six months later.

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.

Hirsutism is relatively common among young Greek women.

This study developed and validated a method for extracting cortisol from human and animal hair, suggesting its potential as a biomarker for assessing chronic stress exposure.

This study found that hair cortisol concentration in free-ranging brown bears is influenced by handling methods, body condition, and potentially both short- and long-term stressors.

This study reports identifying 12 candidate genes potentially involved in regulating hair follicle development in cashmere goats, which could contribute to improving cashmere production.

This study expands knowledge of non-coding RNAs in goats and other mammals, enhancing understanding of their roles in hair follicle growth and regression.

This study found that in vitro heat straightening of hair reduced THC and cocaine concentrations but increased CBN and BZE levels, suggesting heat conversion of these substances.

This study found that two pre-Hispanic mummies from the Andean coast had well-preserved hair with significant amounts of heavy metals like iron, lead, bromide, and occasionally arsenic, revealing their historical context.

In this study, researchers found that human ovaries at different life stages biosynthesize both canonical and non-canonical steroid hormones, with fetal ovaries showing higher enzyme activity related to estradiol and testosterone conversion compared to adult tissues.

This study investigated nanocomposite scaffolds made from alginate, chitosan, and graphene oxide to promote the proliferation of spermatogonial stem cells, finding the ALGCS/GO30 scaffold to be particularly effective due to increased proliferation markers and PLZF protein expression compared to controls.

This study found that mesenchymal stem cells derived from dental pulp and adipose tissue have distinct gene expression signatures that suggest potential target diseases for clinical applications.

This study indicates potential differences in the hair spectra of individuals with mood disorders, suggesting a promising, yet preliminary, method for noninvasive prediagnosis.

In this study, the researchers found that the chemical composition and color of the brown seaweed *Saccharina latissima* varied significantly depending on the harvesting period, site, and cultivation method, suggesting that environmental conditions play a key role in these variations.

This study demonstrates a method to noninvasively assess lipid classes in rodent sebum via high-field proton NMR, observing significant lipid reductions in rats treated with an SCD1 inhibitor.