Socially subordinate female common marmosets (Callithrix jacchus) have markedly lower plasma cortisol levels than dominant females. Subordinate females also undergo hypoestrogenemic anovulation, and estrogen can elevate glucocorticoid levels. Therefore, we previously hypothesized that this cortisol difference is mediated by rank-related differences in reproductive hormones, probably estradiol. ...

BACKGROUND In the quest for biological mechanisms underlying socioeconomic differences in health outcomes, attention has turned to the role of the hypothalamic-pituitary-adrenocortical axis. As there is some evidence that both acute and chronic stress raise cortisol levels, and material hardship is a stressor, we examined the relationship of chronic material hardship with salivary cortisol leve...

Hair cortisol has the potential to fill the methodological void of long-term cortisol assessment while becoming a widely accepted measure in biopsychology. This review critically examines the applicability and relevance of hair cortisol measurement specifically within the field of exercise and sport science. Current measures of the HPA axis only cover a brief time period, whereas hair cortisol ...

BACKGROUND The stress response in humans is a healthy response and is necessary for life. The effects of chiropractic manipulation (CM), if any, on stress are ill-defined. Cortisol has been used as an accurate measure of the stress response system in humans. Salivary cortisol is a noninvasive technique to accurately quantify biologically active cortisol. OBJECTIVE To determine whether basal s...

This study examined the relationship between indices of self-reported emotional distress and absolute versus change in cortisol levels. Fifty-four women attending a diagnostic breast clinic completed scales measuring stress, anxiety and depression and provided five saliva samples over the course of a single day for the measurement of cortisol. No significant relationships were evident between a...

CONTEXT Stress had been associated with the development of central serous chorioretinopathy (CSC). The study was designed to evaluate the effect of stress on other risk factors of CSC such as serum cortisol levels, serum homocysteine levels, and blood pressure (BP) in CSC patients. AIMS To compare stress scores, serum cortisol and serum homocysteine levels, and BP of CSC patients with that of...

BACKGROUND Although the prevalence of cardiovascular disease is declining, the obesity epidemic with associated metabolic syndrome may reverse this trend. Hypothalamic-pituitary-adrenal (HPA) axis activation may underlie the metabolic syndrome, but whether circulating cortisol levels predict vascular disease is less clear. A recent study reported a positive correlation between cortisol levels m...

We investigated the development of the HPA axis in group-living rhesus monkeys. Forty-three infants were studied from birth through their third year of life; 22 infants were physically abused by their mothers, while 21 infants were not abused. Plasma cortisol levels in basal conditions and in response to a novel environment test were assessed at 6-month intervals. Both basal and stress cortisol...

conclusions in cabg with cardiopulmonary bypass, using plasma cortisol level as a measure, isoflurane-sufentanil significantly reduces the stress response to the surgery, when compared to propofol-sufentanil. results compared to the baseline (t0), at the end of cardiopulmonary bypass (t1), both groups demonstrated a decrease in plasma cortisol levels with no statistical significant difference (...

background: chronic fatigue syndrome (cfs) is a complex condition involving severe fatigue and disabling musculoskeletal and cognitive symptoms. we reported that 6, 12 and 24 months following infectious mononucleosis (im), 13%, 7% and 4% of adolescents, respectively, met criteria for cfs. whether endocrinologic or immunologic dysfunction accompanies cfs is unclear. objectives: to determine if s...