research Cortisol determination in hair and faeces from domestic cats and dogs
Hair cortisol can reliably indicate chronic stress in cats and dogs.
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120-150 / 1000+ resultsresearch 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 Does hair cortisol mediate the effects of sexual and gender minority stress on depression and anxiety? A structural equation modelling approach
Gender-diverse individuals face more depression and anxiety, possibly due to unique stress profiles.
research Sex-specific associations between loneliness and hair cortisol among older African American adults
Loneliness raises stress levels in older African American men but not women.
research Pre-pregnancy BMI as a Risk Factor: Associations with Maternal Hair Cortisol and Child Psychopathology at Age Two
Higher pre-pregnancy BMI is linked to more stress in mothers and more behavioral problems in two-year-old children.
research - Hair steroid concentration before and after the beginning of the COVID-19 pandemic in preschoolers: the moderating effect of family characteristics
The COVID-19 pandemic did not significantly change stress levels in preschoolers, but higher-income families' children showed higher stress.
research Hair Cortisol as a Biomarker of Stress Among a First Nation in Canada
First Nation individuals had higher hair cortisol levels, indicating more chronic stress.
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 Hair cortisol/cortisone in combined oral contraceptive users: An exploratory analysis
COC use doesn't increase hair stress hormone levels, but hair treatments may affect results.
research Hair cortisol: an indicator of HPA activity in relation to environmental perception in New Zealand White rabbit.
Hair cortisol reliably indicates stress in rabbits.
research Association Between Hair Cortisol Levels AndKeratoconus: A Prospective Study
Higher cortisol levels might be linked to worsening keratoconus.
research Measurement of steroid hormones by liquid chromatography-tandem mass spectrometry with small amounts of hair
A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.
research Efeitos da ingestão de cafeína durante a gestação e a lactação sobre a pele de ratas e de filhotes e sua relação com as concentrações séricas do cortisol materno
Caffeine intake during pregnancy and lactation can cause skin lesions in mother rats and their babies, not linked to cortisol levels.
research Time course of cortisol loss in hair segments under immersion in hot water
Hot water and UV exposure reduce hair cortisol levels, with the back of the head showing the most consistent levels.
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 Human Hair as a Testing Substrate in the Era of Precision Medicine: Potential Role of ‘Omics-Based Approaches
Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
research P18-14 Monitoring of cortisone and cortisol levels in hair during pregnancy
Cortisone and cortisol levels in pregnant women’s hair increase as labor approaches, indicating higher stress.
research Coat condition, housing condition and measurement of faecal cortisol metabolites - a non-invasive study about alopecia in captive rhesus macaques (Macaca mulatta)
Alopecia in captive rhesus macaques is affected by season, sex, age, housing, and stress, with complex links between stress hormones and hair loss.
research Epinephrine Vasoconstriction Effect Time in the Scalp Differs According to Injection Site and Concentration
Higher epinephrine concentration and specific injection sites increase scalp vasoconstriction time.
research Pregnancy and the hair growth cycle: anagen induction against hair growth disruption using Nourkrin® with Marilex®, a proteoglycan replacement therapy
Nourkrin® with Marilex® may increase hair count by 35.7% in postpartum hair loss.
research Peripubertal Testosterone, 17β-Estradiol and Progesterone Concentrations in Hair and Nails in Dobermann Dogs
Hair and nails can show hormone changes during puberty in dogs.
research Experiences of discrimination during pregnancy predict altered neonatal hair cortisol at birth
Discrimination during pregnancy affects newborn stress hormone levels.
research Rhythmic expression of circadian clock genes in human leukocytes and beard hair follicle cells
Human leukocytes and beard hair follicle cells have internal daily clocks, and PER1 and PER3 genes may indicate individual circadian rhythms.
research Corticosterone inhibits GAS6 to govern hair follicle stem-cell quiescence
Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.
research Relations between sex hormone level and characters of hair and skin in healthy young men
Higher androgen levels do not cause baldness in men.
research Serum prolactin and dehydroepiandrosterone concentrations during the summer and winter hair growth cycles of mink (Mustela vison)
Changes in prolactin and DHEA levels are not required for the start of mink hair growth cycles.
research Penetration and Distribution in Human Skin Focusing on the Hair Follicle
Targeting drugs to hair follicles can treat skin conditions, but reaching deep follicle areas is hard and needs more research.
research Segmental analysis of human hair reveals intra-annual variation in 25(OH)D3 concentrations in modern and archaeological individuals
Hair analysis can show changes in vitamin D levels over time.
research The tail-tale of stress: an exploratory analysis of cortisol levels in the tail-hair of captive Asian elephants
Elephant tail-hair can show past stress levels, matching times when stressful events happened.
research Possible relationships between the physical conditions of cattle and the occurrence of structural modifications of their coat hair
Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.