Psychology & Psychiatry

Scientists examine how stress knocks out cognitive reserve

While mentally stimulating activities and life experiences can improve cognition in memory clinic patients, stress undermines this beneficial relationship. This is according to a study, titled "Cognitive reserve, cortisol, ...

Pediatrics

Stress hormone during pregnancy linked to IQ in children

Higher levels of the stress hormone cortisol during the third trimester of pregnancy may impede intelligence quotient (IQ) scores in boys aged 7 years old, according to research presented at the 26th European Congress of ...

Psychology & Psychiatry

Study finds link between cortisol and social support in couples

Couples feel more understood and cared for when their partners show positive support skills—and it's evidenced by levels of the stress hormone cortisol in the body—according to new research from Binghamton University.

Cardiology

Why heart rhythm problems tend to happen early in the morning

Many studies have shown that potentially lethal heart rhythm disturbances ('ventricular arrhythmia') are more likely to occur in the morning, when people wake after a night's sleep, but until now the trigger mechanism has ...

Oncology & Cancer

New insights into how tumors on adrenal glands develop

Researchers from Kyushu University's Faculty of Medical Sciences report on new insights into the mechanisms of how adrenal gland tumors are formed. The team identified a new type of tumor cell population that they termed ...

Endocrinology & Metabolism

Acetylation: A timekeeper of glucocorticoid sensitivity

Cortisol, also commonly known as the stress hormone, belongs to the family of glucocorticoids. In addition to its physiological function, synthetic derivatives of cortisol are also used as anti-inflammatory drugs. In the ...

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Cortisol

Cortisol is a corticosteroid hormone or glucocorticoid produced by the adrenal cortex, that is part of the adrenal gland (in the zona fasciculata and the zona reticularis of the adrenal cortex). It is usually referred to as the "stress hormone" as it is involved in response to stress and anxiety, controlled by CRH. It increases blood pressure and blood sugar, and reduces immune responses. Various synthetic forms of cortisol are used to treat a variety of different illnesses. The most well-known of these are a natural metabolic intermediary of cortisol named hydrocortisone. When first introduced as a treatment for rheumatoid arthritis, hydrocortisone was referred to as Compound E.

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