research Disappearance of Tramadol and THC-COOH in Hair After Discontinuation of Abuse: Two Different Profiles
Tramadol and THC-COOH can be detected in hair for several months after stopping use.
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150-180 / 1000+ resultsresearch New Aspects of the Structure of Human Hair Based on Optical Microscopic Observations of Disassembled Hair Parts
Human hair's strength comes from a honeycomb-like structure and macrofibrils.
research Critical Factors in Sample Collection and Preparation for Clinical Metabolomics of Underexplored Biological Specimens
Standardized procedures are crucial for collecting and preparing biological samples to ensure accurate clinical metabolomics results.
research Cutting Edge: Memory Regulatory T Cells Require IL-7 and Not IL-2 for Their Maintenance in Peripheral Tissues
Memory regulatory T cells need IL-7, not IL-2, to stay in peripheral tissues.
research Follicle Hormones
Follicle Stimulating Hormone is important for fertility.
research Proteomic Tools for the Investigation of Human Hair Structural Proteins and Evidence of Weakness Sites on Hair Keratin Coil Segments
Hair proteins have weak spots in their α-helical segments.
research Correlation of Cortisol in 1-Cm Hair Segment with Salivary Cortisol in Humans: Hair Cortisol as an Endogenous Biomarker
Hair cortisol levels can reflect salivary cortisol levels in humans.
research Evaluation of a New X-Ray Fluorescent Analysis Technique for the Creation of a Nordic Hair Database: Elemental Distributions Within the Root and the Virgin Segment of Hair Fibers
The new X-ray technique allows for precise and non-destructive measurement of elements in hair, creating the first database of its kind for a specific ethnic group.
research Variation in Muskox (Ovibos Moschatus) Guard Hair Growth Rates: Implications for Measuring Chronological Biomarkers
Muskox hair growth rates vary widely, so a single growth rate can't be used for all populations.
research Segmental Vitiligo: Characteristics, Treatment, and Prognosis
Segmental Vitiligo is a stable, early-onset form of vitiligo that responds well to early treatment and is ideal for repigmentation studies.
research Spatial Probing of the Properties of the Human Hair Surface Using Wilhelmy Force Profiles
Human hair surface varies in wettability, showing daily and monthly patterns.
research Phytocosmetics for Hair Care
Plant-based hair care products can effectively treat hair loss with fewer side effects than synthetic treatments, and more research is needed for their development.
research Testosterone Analysis in Hair
The method shows hair testosterone levels reflect those in saliva, but are affected by various factors and may indicate a risk for heart attack.
research Embryology, Histology, and Physiology of the Hair Follicle
The document explains how hair follicles develop, their structure, and how they grow.
research Contribution Of In-Utero Drug Exposure When Interpreting Hair Results In Young Children
Hair analysis alone can't confirm long-term drug exposure in children under 1 year old.
research Lupus Panniculitis Clinically Simulating Alopecia Areata
Lupus can look like hair loss from alopecia areata but needs different treatment.
research Incorporation of Isotopically Labeled Cocaine and Metabolites into Human Hair: Dose-Response Relationships
Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.
research Elemental Hair Analysis: A Review of Procedures and Applications
Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.
research Hair Shafts in Trichoscopy
Trichoscopy is a useful non-invasive method for diagnosing different hair loss conditions.
research Stability of Opiates in Hair Fibers After Exposure to Cosmetic Treatment
Cosmetic treatments like bleaching and perming can greatly reduce opiate levels in hair, possibly leading to false-negative drug tests.
research EEMCO Guidance for the Assessment of Hair Shedding and Alopecia
The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.
research A Discourse on Human Hair Fibers and Reflections on the Conservation of Drug Molecules
Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.
research Essentials of Hair Care Often Neglected: Hair Cleansing
Choosing the right shampoo for your hair type is crucial.
research Effect of Ethnicity and Treatments on In Situ Tensile Response and Morphological Changes of Human Hair Characterized by Atomic Force Microscopy
Different ethnicities and treatments affect human hair strength and structure.
research Assessment of Hair Loss: Clinical Relevance of Hair Growth Evaluation Methods
Effective hair loss assessment requires a mix of precise measurement methods.
research Loose Anagen Hair Syndrome
Loose Anagen Syndrome is a hair condition where hairs can be easily pulled out, mainly affecting young girls, and may improve on its own or with treatment.
research Hair Problems in Women: A 1997 Study on Prevalence, Psychological Impact, and Treatment Approaches
Hair problems are common and distressing for women, but increasing knowledge of treatments offers hope.
research Hair Loss in Children
Most hair loss in children is caused by a few common conditions, and it's important to diagnose these properly and support the child's mental health.
research Interactions Between Crossed Hair Fibers at the Nanoscale
Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.
research How to Diagnose Hair Loss
The document concludes that using specific tools and tests is essential for identifying the cause of hair loss and deciding on the right treatment.