research Collecting Hair Samples for Hair Cortisol Analysis in African Americans
A culturally sensitive method was developed to collect hair samples from African Americans for stress analysis.
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research HPA Axis Variation and ACEs; Childhood Sexual Trauma is Associated with Lower Hair Cortisol in Adulthood
Childhood sexual trauma, especially between ages 5-7, is linked to lower cortisol levels in adult hair, suggesting long-term stress response changes.
research Does hair cortisol concentration reflect measurable regulatory biology of the HPA axis in healthy humans?
Hair cortisol concentration partly reflects HPA axis regulation but doesn't capture all its complexities.
research The Effects of the Chemical Relaxer Lye on Hair Cortisol Concentrations
Lye relaxers don't significantly change hair cortisol levels.
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 What Are Normal Cortisol Values for Young Children
Hair cortisol levels can indicate chronic stress in children, with differences seen between races.
research Radiolabel validation of cortisol in the hair of rhesus monkeys
Hair cortisol can indicate long-term stress levels, but hair growth rate differences may affect accuracy.
research Temporary Relocation during Rest Periods: Relocation Stress and Other Factors Influence Hair Cortisol Concentrations in Horses
Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.
research Children’s hair cortisol as a biomarker of stress at school: a follow-up study
Children with lower inhibitory control experience more stress when starting third grade.
research Hair cortisol analysis: An update on methodological considerations and clinical applications
Hair cortisol analysis can help diagnose stress-related conditions but needs more refinement for widespread use.
research Determinants of hair cortisol and hair cortisone concentrations in adults
Hair cortisol and cortisone levels increase with age, are higher in diabetics, vary by gender, decrease with frequent hair washing, and are lower in winter.
research Effects of shampoo and water washing on hair cortisol concentrations
Washing hair with water or shampoo lowers cortisol levels in hair.
research Influence of external factors on hair cortisol concentrations
External factors can significantly affect hair cortisol levels, so it's not always a reliable stress marker.
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 Sources of variation in hair cortisol in wild and captive non-human primates
Hair cortisol levels in primates are useful for stress assessment but vary by age, sex, species, and hair collection methods.
research Hair dyeing, hair washing and hair cortisol concentrations among women from the healthy start study
Hair dyeing and washing frequency do not affect hair cortisol levels.
research HPA axis stress reactivity and hair cortisol concentrations in recently detoxified alcoholics and healthy controls with and without childhood maltreatment
Alcohol dependence affects stress hormone levels more than childhood maltreatment.
research Hair Cortisol in Sheltered Cows and Its Association with Other Welfare Indicators
High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.
research Hair Cortisol Concentrations in Adolescent Girls with Anorexia Nervosa are Lower Compared to Healthy and Psychiatric Controls
Adolescent girls with anorexia nervosa have lower hair cortisol levels than healthy and psychiatric peers.
research Comparison of methanol and isopropanol as wash solvents for determination of hair cortisol concentration in grizzly bears and polar bears
Methanol is better than isopropanol for washing grizzly bear hair to measure cortisol.
research Qiviut cortisol reflects hypothalamic–pituitary–adrenal axis activity in muskoxen (Ovibos moschatus)
Muskoxen's qiviut cortisol levels indicate their stress hormone activity over the hair growth period.
research Correlation between high hair cortisol level and intracranial aneurysm rupture
High levels of cortisol in hair are linked to a greater risk of brain aneurysm rupture.
research IMPROVEMENT OF ALOPECIA AND DECREASES IN HAIR CORTISOL AND DIHYDROTESTOSTERONE CONCENTRATIONS AFTER THE TOPICAL USE OF PLANT EXTRACTS IN MEN WITH ANDROGENETIC ALOPECIA
Plant extracts in shampoo improved hair thickness and density in men with hair loss.
research Cortisol determination in hair and faeces from domestic cats and dogs
Hair cortisol can reliably indicate chronic stress in cats and dogs.
research An Investigation of Hair Cortisol Concentration across Body Sites and within Hair shaft
Forearm hair has more cortisol than lower leg hair.
research Not the Root of the Problem—Hair Cortisol and Cortisone Do Not Mediate the Effect of Child Maltreatment on Body Mass Index
Child abuse is linked to higher BMI, but not because of hair cortisol or cortisone levels.
research Evaluation of Hair Characteristics and Animal Age on the Impact of Hair Cortisol Concentration in Feedlot Steers
Older steers have higher hair cortisol levels than younger steers.
research Quantifying long-term stress in brown bears with the hair cortisol concentration: a biomarker that may be confounded by rapid changes in response to capture and handling
Hair cortisol levels in brown bears can be affected by both long-term and short-term stress.
research Do follicles matter? Testing the effect of follicles on hair cortisol levels
Hair follicles increase hair cortisol levels, so consistent hair collection methods are important.
research Hormonal Parameters in Androgenetic Hair Loss in the Male
Men with male pattern hair loss have different levels of certain hormones compared to men without hair loss.