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This study found that high doses of cyproterone acetate were associated with an increased risk of meningioma, especially with exposure longer than one year.

Amenorrhea is relatively rare and initial testing should check FSH, TSH, and prolactin levels.

This study suggests that S100A4 and S100A6 proteins may play key roles in activating stem cells for hair follicle regeneration in mice.

This review discusses the emerging "endocrine phenotype" of COVID-19, highlighting the implications for managing diabetes, obesity, vitamin D deficiency, and other endocrine conditions in affected patients.

This study found that dual inhibition of BACE1 and BACE2 in mice affects melanosome maturation and causes dose-dependent hair depigmentation without altering retinal morphology.

This study found that Atlantic croaker nuclear androgen receptors AR1 and AR2 have different binding affinities for androgens, suggesting that they may mediate distinct physiological actions in teleosts.

This review discusses psychocutaneous syndromes, detailing their classifications and management strategies, but reports no new clinical findings; it underscores dermatologists' role in these cases.

The document concludes that identifying the cause of amenorrhea is crucial for proper treatment.

Bone-marrow and epidermal stem cells help heal wounds differently, with bone-marrow cells aiding in blood vessel formation and epidermal cells in hair growth.

This review discusses the pharmacological properties and physiological regulation of neuroactive steroids, focusing on their varied responses to stress and ethanol in rats, mice, and humans, but it reports no new findings.

Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.

This study found that the LH response to nafarelin effectively distinguished gonadotropin deficiency from constitutional delay of puberty, performing comparably to the sleep test and offering certain advantages.

This article proposes a new classification, the Obsessive-Compulsive Insight Continuum, to help dermatologists better understand and diagnose skin disorders with obsessive-compulsive features.

Amenorrhea, or the absence of periods, should be evaluated by age 15 or within five years of early breast development, and is most commonly caused by conditions like polycystic ovary syndrome and hypothalamic amenorrhea.

This study found that compared to influenza patients, COVID-19 patients had fewer complications overall, but exceptions with higher risks were seen in hair loss, heart failure, mood disorder, and dementia.

In this study, early treatment with nitazoxanide, ivermectin, or hydroxychloroquine, combined with azithromycin, was associated with reduced hospitalizations, respiratory complications, and deaths in early-stage COVID-19 patients compared to untreated controls.

In this study involving a mouse model, researchers reported that intranasal delivery of protein-based CRISPR/dCas9 nanoparticles targeting the gene *Sirt1* reduced cerebral edema and increased survival following ischemic stroke, with no significant toxicity observed.

This study found that estazolam improved PTSD-like behavior deficits in an animal model, which was linked to increased allopregnanolone levels in specific brain regions.

This study observed that early treatment with azithromycin and either nitazoxanide, ivermectin, or hydroxychloroquine in COVID-19 patients may reduce viral shedding, symptom duration, and respiratory complications compared to untreated patients.

In this study, researchers used computer-generated models to demonstrate that subtle changes in hair diameter, density, and style significantly affect perceptions of age, health, and attractiveness.

This study found that while both natural and bioengineered salivary glands showed similar protein concentrations in response to taste stimulation, their protein compositions and amylase concentrations differed, which may affect nerve signal balance.

This study found that healthcare workers with a positive SARS-CoV-2 nasopharyngeal swab were most likely to report long-COVID symptoms, while seropositive workers without a positive swab had milder symptoms.

This study found that women, younger individuals, and those with a low body mass index were more likely to develop long COVID symptoms, and even mild COVID-19 cases often experienced long-term residual symptoms.

This study reported that while general patient characteristics and adverse event incidence for eribulin were comparable between a healthcare claims database and post-marketing surveillance, significant differences in some side effects such as neutropenia were observed.

This chapter discusses the structure and function of the skin, detailing its protective roles and the layers that comprise it, but reports no new research findings.

The researchers reported that non-motor symptoms like taste disorders and alopecia are associated with myasthenia gravis, particularly in severe cases and those linked to thymoma.

In this retrospective cohort study, researchers reported that 77% of 300 COVID-19 survivors experienced long COVID-19 symptoms such as fatigue and hair loss, with symptoms more likely in females, younger age groups, and hospitalized patients.

In this study, researchers found that washing hair 5–6 times per week results in higher satisfaction and better objective and subjective hair and scalp conditions among Asian populations, with no observed detrimental effects from frequent washing.

This study found that wire brush hair snares collected the most hair from Eurasian Lynx in controlled enclosures, suggesting potential for sampling genetic material from similar felid species.

This study found that sulforaphane and its related compounds may promote hair follicle growth in mice, suggesting their potential as treatment agents for androgenic alopecia.