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In this study, researchers examined the genetic factors impacting cortisol and DHEA concentrations in the hair of healthy pigs; they found that cortisol levels were heritable and genetically correlated with behavioral stress responses, suggesting these hormones could potentially serve as indicators for selecting disease-resilient pigs.

Polygenic Score can help predict severe psoriasis and psoriatic arthritis.

Hair cortisol measurement is a promising, non-invasive tool for monitoring cortisol exposure over time.

This study found that mental rotation and neuroticism demonstrated curvilinear relationships with hair loss, suggesting that dihydrotestosterone levels might affect spatial cognition and personality traits in men.

Alopecia linked to higher anxiety and personality disorders.

This study found that among Japanese full-time employees, cortisol levels in hair were negatively associated with aversive coping and emotional support-seeking tendencies, while dehydroepiandrosterone levels were linked to job confidence.

This study developed a prototype device that suggests potential for diagnosing changes in hair quantity, diameter, and density, though formal clinical studies are needed to confirm these findings.

In this study, testosterone and dehydroepiandrosterone in children's hair were strongly correlated, supporting hair as a potential method for measuring these hormones.

In this study, women with polycystic ovary syndrome showed higher scores in character strengths like hope and judgement compared to those without PCOS.

This review provides practical guidelines for managing psychodermatologic disorders and concludes that psychopharmacologic agents offer a useful option for treatment, considering the underlying psychopathologic condition.

This study found a high concordance between subject-reported and clinician-reported Fitzpatrick Skin Phototypes, but 14% of subjects misjudged their skin type, often overestimating it.

This study reported that chronic use of performance-enhancing drugs significantly altered users' personalities and physical attributes, raising concerns about whether the perceived benefits outweigh the costs.

In this study, patients with polycystic ovary syndrome self-reported higher hirsutism scores compared to clinician assessments, but only clinician scores correlated with biochemical markers of hyperandrogenism.

In this study, the KPAI and KP-IGA scoring systems for assessing keratosis pilaris showed excellent interrater and intrarater reliability, offering standardized measures for clinical and research use.

In this study on male rats, parachlorophenylalanine treatment induced hypersexual behavior and hair loss linked to increased social interaction but had no effect on brain serotonin when testosterone was used instead.

The researchers found that using hair analysis to detect past use of cannabinoids or amphetamines in individuals with psychosis was limited by individual variations in hair growth rates, affecting the method's reliability.

The project aimed to understand how genetic test results affect patients' actions and feelings in dermatology.

Emotional states significantly affect hair growth and hair disorders.

This study highlights the potential of forensic DNA phenotyping using Next Generation Sequencing to predict eye, hair, and skin color, aiding criminal investigations, though adoption faces challenges due to incomplete genetic understanding and ethical, social, and legal concerns.

This study suggests that decreased SHBG levels and increased FAI, free testosterone, and DHEAS concentrations are effective in diagnosing PCOS in epidemiological studies of women of reproductive age.

In this study, hair glucocorticoid levels, including cortisol and cortisone, showed varied associations with psychosocial stress factors, influenced by covariates like sex, age, and individual behaviors.

This study found that decision-making effects related to time of day and chronotype were only significant when using RNA-based chronotype measurements, indicating molecular clock differences may influence these behaviors.

This study found that among young adults, willingness to provide hair and fingernail samples for cortisol measurement was similar, with discomfort around sampling as the main barrier; informational videos did not significantly alter participant willingness.

In this study, researchers found that psychological well-being positively correlates with both work engagement and motivation in IT employees, suggesting that well-being initiatives could enhance employee effectiveness and retention in the sector.

This study found no predictive link between mothers’ PCOS symptoms and the adolescent phenotype, but identified certain gene alleles associated with higher testosterone levels in affected adolescents.

This study found that the cross-section trichometer is a promising tool for measuring hair mass index with high reproducibility, suggesting potential clinical and research applications.

This study found that early adolescent girls who perceive themselves as undergoing pubertal changes report more intense and variable moods, with hormone activity and perceived pubertal status independently predicting mood fluctuations.

DNA can predict physical traits like eye and hair color accurately, especially in Europeans, but predicting other traits and in diverse populations needs more research.

This study in Khakassia reported that extroverts were more prevalent than introverts among secondary school students, with significant variations observed based on age, gender, and nationality.