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This study found that keratin K14 expression occurs early in epidermal cell differentiation, while a hair-specific keratin is expressed later in hair matrix cells, suggesting developmental divergence between the two cell types.

This review highlights current and future AI applications in hair restoration and diagnosis of hair disorders, including automated systems for hair detection and self-diagnosis, emphasizing the need for experts to understand their benefits and limitations.

This review critiques the unwarranted promotion of biotin for hair and nail improvements, noting the lack of evidence for routine use and highlighting concerning trends in consumer and physician practices.

This literature review found that antibiotics are a major cause of cutaneous adverse drug reactions, which represent up to 60% of all adverse drug reactions, and emphasized the need for clinicians to better understand and manage these reactions.

This research aims to evaluate the impact of the COVID-19 post-crisis period and normalization process on dermatology practice, suggesting implications for future healthcare challenges; no new results are reported.

This article outlines a detailed framework for taking dermatological history and examination, emphasizing the importance of considering various factors like medication and occupational history; it reports no new clinical findings.

Toxic shock syndrome is caused by a complex interaction of bacterial toxins and the immune system, and understanding this can help improve diagnosis and treatment.

This review discusses the various skin manifestations associated with end-stage renal disease and their potential causes but reports no new clinical findings; the authors emphasize pruritus as a significant condition.

This study found that skin disorders are prevalent among elderly individuals and are often associated with underlying systemic diseases.

This study found that young patients with severe AA are more prone to nail abnormalities such as pitting and leukonychia, with koilonychia and red spots lunula in more severe cases.

The document concludes that skin and nail changes can indicate various underlying health conditions.

This study describes how shotgun proteomics can identify over 300 proteins in hair shafts, potentially allowing for the diagnosis of diseases through noninvasive human proteome sampling.

This study found that patients who recovered from COVID-19 experienced various skin, hair, and nail issues, with hair shedding being more common in those with moderate to severe cases.

This study found that trichocytic cytokeratins, typically found in hair, are also present in nails, filiform papillae of the tongue, and the epithelial reticulum of the thymus.

Pregnancy often causes skin changes like darkening, stretch marks, and hair growth, which may improve after childbirth.

This study found that dermatological issues, such as xerosis and pigmentation, are common in chronic kidney disease patients and increase with the severity and duration of the disease, indicating that dialysis often exacerbates these conditions.

This study observed that nearly all aged nursing home residents in Berlin had at least one dermatological condition, with xerosis cutis being the most common, but few associations with demographics or medical characteristics were found.

This study found that Hoxc13-/- rabbits exhibit complete hair loss on the head and dorsum, providing a potential model for understanding human ECTD-9 and related dermatological conditions.

This study found that xerosis and pruritus are prevalent in patients with chronic renal failure undergoing hemodialysis, highlighting the importance of early recognition of skin issues to alleviate discomfort and reduce complications.

This study developed a method using Convolutional Neural Networks to detect nutritional deficiencies, such as iron, zinc, biotin, and vitamins, through high-resolution images of hair and nails, achieving an 89% accuracy rate in identifying these deficiencies.

Systemic therapies improve nail psoriasis but have high side effects; more research is needed.

This study highlights the use of hair and fingernail cortisol levels as retrospective indicators of chronic stress, particularly in minoritized populations facing social stressors that increase the risk of mental health issues.

In this study conducted at a tertiary care center, rural elderly patients often exhibited skin conditions like wrinkling, generalized pruritus, xerosis, eczematous skin conditions, and psoriasis, highlighting the need for better health education on skin care, early diagnosis, and management.

This study found that serum IL-17A levels were significantly higher in patients with alopecia areata compared to healthy controls and correlated with disease severity and activity.

This article provides a clinical Q&A on bariatric nursing and surgical patient care and reports no new research findings.

This review discusses the incidence, demographics, and associated conditions of alopecia areata and provides no new clinical findings.

EGFR cancer drugs often cause a rash, which can lead to distress and isolation, but may also improve outcomes for some cancer patients. Current treatments for the rash are limited, but a compound called menadione shows promise.

This review discusses the potential link between selenium supplementation and symptoms of chronic selenium toxicity, such as hair loss and nail dystrophy, due to excess intake leading to disruptions in hair and nail protein structure.

A woman's hair loss was caused by her husband's testosterone gel and a diabetic man's nail disease led to bone infection, both treated successfully.

The document reviews various hair and nail disorders, their causes, and treatments, emphasizing the need for proper diagnosis and the link between nail changes and systemic diseases.