research Melatonin and fleece growth in Australian cashmere goats
Melatonin implants affect the growth and pattern of cashmere goat fleece depending on the time of year they are given.
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300-330 / 1000+ resultsresearch Applications of Hair as a Record of Systemic Exposure to Cortisol
Hair cortisol content can indicate cortisol exposure and varies with age, puberty, and BMI in youth.
research Alterations in nasal mucociliary activity in polycystic ovary syndrome
Women with PCOS may have a higher risk of respiratory and ear infections due to slower nasal mucociliary clearance.
research Rapid high-performance liquid chromatogaphic method for detection of interindividual differences in carcinogen metabolism
Human hair follicles can assess carcinogen metabolism and imidazole compounds might be effective anticarcinogens.
research Appearance and Internal Aging
Looking older on the outside might be linked to aging faster on the inside and can be affected by lifestyle choices and health risks.
research Measurement of Cortisol and Testosterone in Hair of Obese and Non-Obese Human Subjects
Hair hormone levels can indicate obesity-related changes and are useful for research and clinical practice.
research Sex differences in the hypothalamic–pituitary–adrenal axis’ response to stress: an important role for gonadal hormones
Male and female bodies respond differently to stress, influenced by hormones and development stages, with implications for stress-related diseases.
research Melatonin-Mediated Circadian Rhythm Signaling Exhibits Bidirectional Regulatory Effects on the State of Hair Follicle Stem Cells
Melatonin can help or hinder hair growth depending on the dose.
research L’effluvium télogène actinique: une facette de la chronobiologie humaine
Hair loss increases between July and October, possibly due to UV light, and factors like skin type, hair color, and density may affect this. Dandruff can worsen hair loss conditions.
research Age-related changes in human scalp extracellular matrix – implications for the hair follicle?
Older women's scalp cells show changes that could contribute to hair thinning.
research Time Point 1 and 2 of Hair Cortisol
Wage increases and cash benefits reduced stress in early childhood educators.
research 316 Specialized ribosomes in human dermal fibroblast senescence
Specialized ribosomes affect aging in human skin cells.
research Epidermal retinol dehydrogenases cyclically regulate stem cell markers and clock genes and influence hair composition
Enzymes involved in Vitamin A metabolism affect hair growth and type in mice.
research ANALYSIS OF DC-POTENTIAL LEVEL IN ELDERLY PEOPLE WITH DIFFERENT LEVELS OF ANXIETY LIVING IN THE EUROPEAN NORTH OF RUSSIA
Elderly women in Northern Russia have higher anxiety and different brain energy patterns than men.
research Effects of melatonin administration to cashmere goats on cashmere production and hair follicle characteristics in two consecutive cashmere growth cycles
Melatonin improved cashmere production in goats during the first cycle but had no lasting effects on the next cycle.
research The Influence of Age-Related Cues on Health and Longevity
Feeling younger can improve health and extend life.
research Hormones in infant rhesus monkeys’ (Macaca mulatta) hair at birth provide a window into the fetal environment
research Author response: Quantitative mapping of human hair greying and reversal in relation to life stress
Hair can naturally regain color after greying, and this change may be linked to stress levels.
research Are there temporal subtypes of premenstrual dysphoric disorder?: using group-based trajectory modeling to identify individual differences in symptom change
The study found three different timing patterns of symptoms in women with premenstrual dysphoric disorder.
research Sleep quality in men with androgenetic alopecia
research Bias in Hair Cortisol Measures for Psychological Stress: Self vs. Professional Collection
Self-collected hair samples can measure stress but may need adjustments for accuracy.
research Distribution of bacterial community structures on human scalp hair shaft in relation to scalp sites
Bacterial communities on scalp hair are unique to each person but consistent across different scalp sites.
research Divergent neuroactive steroid responses to stress and ethanol in rat and mouse strains: relevance for human studies
Different rat and mouse strains respond differently to stress and alcohol, which may help us understand similar human mechanisms.
research 559 Induction of tissue-specific premature stem cell aging promotes senescence-like phenotypes in remote multiple organs
Aging in one type of stem cell can cause aging-like changes in various organs.
research Additional file 6 of Time-course RNA-seq analysis reveals stage-specific and melatonin-triggered gene expression patterns during the hair follicle growth cycle in Capra hircus
Melatonin affects different genes and pathways important for goat hair growth.
research Unravelling the Origins of Polycystic Ovary Syndrome: Analyzing Clinical Biomarker Profiles in Adolescent and Middle-Aged Women
PCOS may start with high insulin levels, and certain biomarkers can help understand its causes, especially in teens.
research The Neuroscience of Age Perception
Humans can accurately guess age from faces, with women being slightly better at it, and age perception is linked to evolutionary factors.
research Integrated single-cell chromatin and transcriptomic analyses of human scalp identify gene-regulatory programs and critical cell types for hair and skin diseases
research Factors influencing alopecia and hair cortisol in rhesus macaques (Macaca mulatta)
Captive management practices affect hair loss and stress in rhesus monkeys, with differences between facilities.
research Correlation between biochemical and clinical hyperandrogenism parameter in polycystic ovary syndrome in relation to age
The link between physical signs of high male hormones and hormone levels in women with PCOS changes with age.