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This review discusses potential associations between Helicobacter pylori infection and various skin diseases but reports no new clinical findings; more research is needed to clarify these links.

This study shows that environmental contamination affects mummy hair, suggesting that using it to assess ancient people's health or nutrition should be approached cautiously.

This study found that repeated oral intake of 0.5 or 5 mg/kg of cobalt ferrite nanoparticles induced pulmonary toxicity in rats, with dose-dependent oxidative stress and inflammation observed, but no notable toxicity was seen at a 0.05 mg/kg dose.

Hair can indicate early signs of metabolic disorders, with issues like protein deficiency stopping hair growth.

This study identified aging-related epigenetic and transcriptomic biomarkers and suggested that curcumin might target and inhibit the JUN gene, implicating potential therapeutic strategies against aging.

This review discusses the potential therapeutic role of the edible plant Solanum nigrum for managing COVID-19 symptoms and post-COVID complications based on in silico docking and pharmacological studies, but reports no new clinical results.

This study used ultrahigh-resolution optical coherence tomography to observe hair shaft structures, finding melanin granules absent only in white hair, which may explain color differences between black and white hair.

This case report illustrates that pellagra can develop in patients with anorexia nervosa without typical signs of severe malnutrition, responding rapidly to nicotinamide and tryptophan therapy.

This study found that a new method using enzymatic laundry powder effectively extracts DNA from hair shafts, showing promise for genome-wide DNA analyses.

This study found that protein arginine methylation levels in human hair may correlate with a cardiovascular biomarker in blood, suggesting hair sampling as a potential non-invasive method for cardiovascular risk assessment.

This study found that small amounts of RNA present in horsehair roots can be used for molecular biological analysis, although detecting mRNA transcripts in the hair shaft is more challenging.

This study suggests that targeting olfactory receptors in the lung epithelium might help treat odorant-induced asthma in cases without type 2 inflammation, as these receptors could play a role in airway sensitivity to smells.

This study found that finasteride caused adverse effects on liver, kidney, and heart tissues in female mice, raising concerns about its potential use in females for treating androgenetic alopecia.

The book discussed in this abstract is a comprehensive guide to hair analysis, detailing the latest methods and applications across various fields such as toxicology and drug monitoring, designed for both newcomers and experts in the field.

This study introduced a new high-throughput method for analyzing scalp hair morphology and found that quantifying hair form provides more accurate information than traditional classification based on racial categories, challenging the belief that cross-sectional morphology predicts hair curvature.

This study used air wedge interferometry to measure the thickness of human scalp hair from three individuals, finding average thicknesses of 66.482 µm, 59.355 µm, and 59.927 µm respectively, within the typical range for adults.

This study found that both genetic and epigenetic factors significantly influence age-related facial skin aging, with lifestyle and environmental factors also playing a substantial role.

This study examined the hair structure of five Muridae species to provide insights into their distinct pelage characteristics.

This study found that cortisol levels, a biomarker of chronic stress, significantly increased in the post-COVID-19 lockdown period compared to pre-lockdown and during-lockdown periods, especially among females and young adults, reflecting sustained psychological stress from the pandemic.

This study found that hair from the vertex posterior is a reliable sampling region for detecting zolpidem intake, showing consistent drug concentration and peak position compared to other scalp regions.

Androgenic alopecia causes hair follicle degradation and skin restructuring, but some hair elements remain.

This article discusses the assumptions linking sex, gender identity, gender role, and sexual orientation, highlighting that these inferences are often incorrect, but it reports no new empirical results.

In this study, a clear pattern of selective sweep was observed for the SLC24A5 gene, with high linkage disequilibrium and low haplotype diversity, but no clear correlation with UV radiation intensity was found.

This study concluded that their modified immunohistochemical staining protocol can determine the ABO blood group of both medullated and non-medullated scalp hair, potentially aiding in hair sample screening before DNA analysis.

This study reports that saw palmetto may effectively treat benign prostatic hyperplasia symptoms and potentially stimulate hair growth with generally mild side effects.

In this study, researchers identified 18 genetic associations with scalp and facial hair traits in Latin Americans, including novel loci for hair greying and balding, with implications for understanding hair evolution.

Minoxidil doesn't affect perifollicular lymphoid infiltration in alopecia areata patients.

This article discusses how racial essentialism impacts health professions education by increasing prejudice and reducing empathy, and it suggests reforms to emphasize racism as a cause of health inequity, without presenting new research data.

This article reviews risk factors and warning signs of elder abuse in different settings, emphasizing the importance of dermatologists in correctly identifying potential abuse injuries, but presents no new clinical findings.

This study demonstrated that an LC/MS-MS method could effectively detect and quantify the vitamin B3 vitamer nicotinamide in human hair, suggesting its potential use for long-term deficiency examination.