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.
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research Are Hair Cortisol Levels Dependent on Hair Growth Rate? A Pilot Study in Rhesus Macaques
Monkey hair cortisol levels are not affected by how fast their hair grows.
research Segmental Hair Analysis - A Retrospective Testosterone Diary?
Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
research Growth Factor Concentrations in Platelet-Rich Plasma for Androgenetic Alopecia: An Intra-Subject, Randomized, Blinded, Placebo-Controlled, Pilot Study
PRP growth factor concentrations vary, no significant hair growth difference found.
research Hair Follicle Characteristics as Early Marker of Type 2 Diabetes
Hair characteristics might be early signs of Type 2 Diabetes and could help with early prevention.
research Segmental Hair Analysis as a Retrospective Testosterone Diary: Possibilities and Pitfalls
Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
research The Impact of Growth Factors in Platelet-Rich Plasma Combination Therapy for Androgenic Alopecia
PRP therapy with specific growth factors improves hair density and thickness in androgenic alopecia.
research Testosterone-Like Immunoreactivity in Hair Measured in Minute Sample Amounts: A Competitive Radioimmunoassay with an Adequate Limit of Detection
The new test can measure very small amounts of testosterone in hair, and grinding the hair up first gives more accurate results.
research Scalp Hair Sweating as a Predictor of Hair Cortisol Level in Humans Compared to Obesity and Other Confounders
Scalp hair sweating is a significant predictor of hair cortisol levels.
research Workplace Drug Testing Using Hair Samples
Hair testing is a reliable method for detecting workplace drug use when done with proper sample preparation and confirmation.
research Improved Forensic Hair Evidence for Drugs of Abuse by Mass Spectrometry
Forensic hair analysis for drugs is now more reliable and accurate.
research Hair Growth Test in Male Rabbits with Variations in the Concentration of Ethanol Extract from Terentang Stem Barks
The 5% terentang stem bark extract significantly increased hair growth in male rabbits.
research Becker Nevus of the Face with Asymmetrical Growth of Beard Hair
Certain gene variations may increase the risk of alopecia, and platelet-rich plasma treatment can improve hair density in those with hair loss; a rare case of facial Becker's nevus was linked to uneven beard growth.
research Improving Stable Isotopic Interpretations Made From Human Hair Through Reduction of Growth Cycle Error
The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.
research Normal Hair Growth in Children
Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
research Seasonal Variation in Hair Follicle Activity and Fiber Growth of Both Male and Female Merghoz Goats in Western Iran
Goat hair growth and follicle activity change with the seasons and differ between males and females.
research Association Between Epidermal Growth Factor and Epidermal Growth Factor Receptor Gene Polymorphisms and Susceptibility to Alopecia Areata in Korean Population
Certain gene variations might increase the risk of a hair loss condition in Koreans.
research LB890 Cyclic Hair Growth Requires Spatiotemporal Heterogeneity in Hair Follicle Signaling Network
Hair growth cycles need varied signals in space and time.
research Thymic Peptides Differentially Modulate Human Hair Follicle Growth
Some thymic peptides can increase human hair growth, while others may inhibit it.
research Growth Inhibition and Transient Temperature Measurement of Laser-Irradiated Hair Fibers and Follicles
Laser treatment can inhibit hair growth and different hair colors reach different temperatures when lasered.
research Measurement of Hair Growth
Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
research Testosterone, 17 Ks, 17 Beta E2 FSH-LH Variations and Hirsutism Modifications During Spironolactone Therapy
Spironolactone treatment reduced hair growth and androgen levels in hirsute women, but the overall effectiveness was just adequate.
research Vitamin D Receptor Gene Polymorphisms Taq-1 and Cdx-1 in Female Pattern Hair Loss
Certain gene variations in the Vitamin D Receptor are linked to higher risk of female hair loss.
research Are STK11 Polymorphisms a Predictor of the Response to Metformin in Polycystic Ovarian Syndrome?
STK11 gene variations do not predict how well metformin will work for PCOS, but may affect hair loss and excess hair growth.
research Biology of the Eyelash Hair Follicle: An Enigma in Plain Sight
Scientists don't fully understand eyelash hair follicle biology, including growth and color, and suggest more research is needed.
research Seasonal Gene Expression Profile Responsible for Hair Follicle Development in Angora Goats
Seasonal changes affect gene activity linked to hair growth in Angora goats, influencing mohair quality.
research Influence of Melatonin Implanting on PDGFA Gene Expression in Skin Hair Follicle
Melatonin shortens the hair growth cycle by increasing PDGFA gene expression.
research Mind the Gender Gap: Does Prolactin Exert Gender and Site-Specific Effects on the Human Hair Follicle?
Prolactin may affect hair growth differently based on gender and scalp area.
research Evaluation of Hair Cycle and Epidermal Turnover
The document concluded that there are differences in hair growth cycles and skin cell turnover rates, which can be measured with electronic equipment.
research Vitamin D Receptor Gene Polymorphism in Chronic Telogen Effluvium: A Case-Control Study
Certain gene variations in the Vitamin D receptor may increase the risk of chronic hair loss.