research Cortisol Levels in Blood and Hair of Unanesthetized Grizzly Bears (Ursus Arctos) Following Intravenous Cosyntropin Injection
Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
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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 Maternal Influence on Child HPA Axis: A Prospective Study of Cortisol Levels in Hair
Maternal stress during pregnancy affects a child's stress levels.
research The 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 Hair as a Retrospective Calendar of Cortisol Production—Increased Cortisol Incorporation into Hair in the Third Trimester of Pregnancy
Hair cortisol levels can show increased stress during late pregnancy but only for up to six months.
research Correlation of Cortisol in 1-Cm Hair Segment with Salivary Cortisol in Humans: Hair Cortisol as an Endogenous Biomarker
Hair cortisol levels can reflect salivary cortisol levels in humans.
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 Trends in Hair Cortisol from Preconception to the Postpartum Period
Hair cortisol levels peak in the third trimester and decline postpartum.
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 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 The Effects of Single Testosterone Administration and Stress Induction on Steroid Hormone Levels in Hair
Testosterone increases hair testosterone levels, stress raises hair cortisol, and relationship status affects hormone levels.
research Hair Cortisol: A Biomarker of Chronic Stress in Animals and Its Association With Reproduction
High levels of cortisol in hair show long-term stress which can lower fertility in animals.
research Within-Person Changes of Cortisol, Dehydroepiandrosterone, Testosterone, Estradiol, and Progesterone in Hair Across Pregnancy, with Comparison to a Non-Pregnant Reference Group
Hormone levels in hair change during pregnancy, with progesterone increasing significantly compared to non-pregnant women.
research Children’s Hair Cortisol and Hair Testosterone Concentrations in Response to Environmental Changes: From Summer Holidays to School
Girls had higher stress hormone levels during school due to social and emotional issues, while boys had higher overall hormone levels with slight changes when school started.
research Evidence of the Moderating Role of Hair Cortisol and Hair Cortisone in the Relationship Between Work Stress and Depression Symptoms Among Chinese Fishermen
Hair cortisol and cortisone levels may affect how work stress influences depression in Chinese fishermen.
research Differences in Self-Reported Stress Versus Hair and Nail Cortisol Among Adolescent and Young Adult Males
Hair and nail cortisol levels can show long-term stress in young males.
research Hair Cortisol Concentrations in Mental Disorders: A Systematic Review
People with depression often have higher hair cortisol levels, while those with PTSD tend to have lower levels, but more research is needed to understand this fully.
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 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 Exploring Reference Values for Hair Cortisol
Hair sample weight is a better measure for cortisol levels in hair than hair protein concentration.
research Hair Cortisol in Polycystic Ovary Syndrome
Women with PCOS have higher hair cortisol levels, which are linked to worse metabolic and inflammatory conditions.
research Longitudinal Association Between Saliva and Hair Cortisol Concentration: A Systematic Comparison
Hair cortisol is a reliable marker of long-term cortisol levels and is linked to daytime saliva cortisol but not morning levels.
research Parity-Related Variation in Cortisol Concentrations in Hair During Pregnancy and Postpartum: A Prospective Cohort Study
First-time mothers had higher stress hormone levels in late pregnancy than mothers who had given birth before.
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 Higher Prenatal Anxiety Predicts Lower Neonatal Hair Cortisol
Higher anxiety during pregnancy is linked to lower cortisol levels in newborns' hair.
research Higher Prenatal Anxiety Predicts Lower Neonatal Hair Cortisol
Higher prenatal anxiety is linked to lower cortisol levels in newborns' hair.
research Analysis of Hair Cortisol as an Indicator of Chronic Stress in Pigs in Two Different Farrowing Systems
Pigs in farrowing crates and loose-housing systems showed no difference in chronic stress levels as measured by hair cortisol.
research Use of Hair Cortisol as a Biomarker for Chronic Stress in Pregnancy
Hair cortisol could be a marker for chronic stress in pregnancy, but depression affects cortisol levels differently.
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 Hair Glucocorticoid Levels in Parkinson’s Disease
People with Parkinson's disease have higher levels of cortisone in their hair, which may indicate chronic stress hormone dysfunction.