research Changes in structure and geometric properties of human hair by aging
Older people's hair becomes less shiny because it gets more uneven and curved.
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420-450 / 1000+ results research Relative studies between hair index, hair area, and medullary index with age and sex in Thai scalp hair
Hair area varies with age and sex, but hair index and medullary index do not.
research Quantifying whole human hair scalp fibres of varying curl: A micro‐computed tomographic study
Human hair varies in structure based on curl type, with high curl hair showing the most differences.
research Loss-of-function mutations of an inhibitory upstream ORF in the human hairless transcript cause Marie Unna hereditary hypotrichosis
Certain mutations in a hair growth-related gene cause a type of genetic hair loss.
research Nanomechanical characterization of human hair using nanoindentation and SEM
Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
research Deep Hair Phenomics: Implications in Endocrinology, Development, and Aging
A new tool can analyze hair to detect changes due to hormones, genetics, and aging.
research METABOLIC DISOEDEKS AND HAIE GEOWTH
Hair can indicate early signs of metabolic disorders, with issues like protein deficiency stopping hair growth.
research EXPRESS: Structure Evolution in Hair Fibres During Strain and the Effect of Relative Humidity
Humidity affects hair structure changes during stretching.
research Biology of Human Hair Growth and Common Baldness.
The document suggests that male hormones likely affect hair growth and baldness, and future treatments might involve stem cells and androgen-independent cells.
research Mathematical Modeling of Alopecia Areata: Unraveling Hair Cycle Dynamics, Disease Progression, and Treatment Strategies
The model helps understand alopecia areata and suggests treatment strategies.
research Effect of IGF-I on Hair Growth Is Related to the Anti-Apoptotic Effect of IGF-I and Up-Regulation of PDGF-A and PDGF-B
IGF-I promotes hair growth by keeping hair follicles in the growth phase longer.
research What controls hair follicle cycling?
The control system for hair growth cycles is not well understood and needs more research.
research Hair Morphology: An Overlooked Variable in Alopecia Drug Trials
research Learning from hair moisture sorption and hysteresis
Hair moisture behavior helps tell apart different chemical treatments and reveals insights into hair structure.
research Hair protein glycation as a long-term index of blood glucose in diabetics
Hair glycation can indicate long-term blood sugar trends in diabetics.
research Alteration in Hair Texture Following Regrowth in Alopecia Areata
Alopecia areata caused a boy's hair to regrow straight instead of curly, but the exact reason is unknown.
research Abstract # 1697 Hair cortisol concentrations associate with hair growth rate
Hair cortisol levels can indicate stress and are affected by washing frequency, not cosmetic treatments.
research Pharmacokinetic study in hairless rat after topical application of finasteride: single and repeated dose
research Automated digital image analysis (TrichoScan®) for human hair growth analysis: Ease versus errors
TrichoScan often makes mistakes and needs improvement for correct hair growth analysis.
research Hair: Worth its Weight in Gold!
Hair is culturally and economically valuable, and its weight is now used to measure the effectiveness of hair growth treatments.
research Cells within the bulge region of mouse hair follicle transiently proliferate during early anagen: heterogeneity and functional differences of various hair cycles
Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.
research Studies on the biochemistry and morphology of freshly isolated and maintained rat hair follicles
Rat hair follicles can be kept alive in a lab for 7 days but then stop growing.
research Fractography of human hair
Moisture content significantly affects how human hair breaks.
research Histomorphological and Quantitative Characteristics of Black and Gray Human Scalp Hair
Gray hair has more continuous medullation and a higher medullary diameter than black hair.
research Hair structure anatomy and comparative anatomy1 1Dedicated to the memory of the late Dr. R. E. Rivett whose untimely death prevented his role in co-authorship.
Human hair is complex and grows in cycles starting from embryonic life.
research Biology of Hair Growth
Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.
research Hair Cycle-Dependent Expression of Hepatocyte Growth Factor (HGF) Activator, Other Proteinases, and Proteinase Inhibitors Correlates with the Expression of HGF in Rat Hair Follicles
research Autosomal-Dominant Woolly Hair Resulting from Disruption of Keratin 74 (KRT74), a Potential Determinant of Human Hair Texture
A mutation in the KRT74 gene causes tightly curled hair.
research Hair’s the Question: Brow questions
The document's conclusion cannot be determined from the provided text.
research Hair for brain trade-off, a metabolic bypass for encephalization
Human hair loss may have evolved to help increase brain size.