Cortisol News and Research

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Cortisol is a hormone made by the adrenal cortex (the outer layer of the adrenal gland). It helps the body use glucose (a sugar), protein, and fats. Cortisol made in the laboratory is called hydrocortisone. It is used to treat many conditions, including inflammation, allergies, and some cancers. Cortisol is a type of glucocorticoid hormone.

Simple saliva test may offer a new way to probe the consequences of caffeine coupled with stress

Using doses of caffeine equivalent to drinking one to four cups of coffee and an intense arithmetic test as stressors, Klein and her colleagues found a rise in the amount of alpha amylase, an enzyme secreted by the salivary glands, in the healthy young men who participated in the study.

7 Mar 2006

Stress in early pregnancy can cause miscarriage

According to a team of researchers in the U.S., women who exhibit signs of stress are three times more likely to miscarry during the first three weeks of the pregnancy.

22 Feb 2006

Persistent fatigue immediately following birth may be the best predictor of postpartum depression

Persistent fatigue immediately following birth may be the best signal to determine whether a woman will develop postpartum depression, a new study suggests.

21 Feb 2006

Thrill seekers at less risk of Parkinson's disease

According to a new study by British researchers, risk takers stand less chance of getting Parkinson's disease, live longer, and have more friends.

20 Feb 2006

Hormone hydrocortisone (cortisol) supplementation improves ventilator weaning

Intensive care unit physicians can increase the success of mechanical ventilation weaning and shorten the weaning period by identifying critically ill patients who have adrenal insufficiency and treating them with the hormone hydrocortisone (cortisol).

2 Feb 2006

Why anti-obesity cortisol reducing supplements do not work

Researchers at Oregon Health & Science University have revealed that the cortisol/obesity connection, touted by many weight-loss supplement marketers, may be even more tenuous than first thought.

2 Feb 2006

Stress in pregnancy means boys will be stronger

A team from the University of California, Berkeley, have found in a study that pregnant women are more likely to miscarry male fetuses than females fetuses during times of stress.

25 Jan 2006

Risk of puerperal psychosis highest after birth of first baby

The risk of bipolar affective puerperal psychosis - a severe mental illness following childbirth - is highest after the birth of a first baby, a new study has confirmed.

10 Jan 2006

Exercise helps elderly heal

The body's ability to heal even small skin wounds normally slows down as we age. But a new study in older adults finds that regular exercise may speed up the wound-healing process by as much as 25 percent.

5 Jan 2006

Childcare helps reduce stress levels for mums and children

Low job satisfaction in working mothers increases the stress levels of their children, but spending longer in childcare can help overcome these effects, new research has shown.

2 Dec 2005

When Mum's stressed at work kids feel it too

Researchers say that children whose mothers do not enjoy their jobs also suffer increased stress.

21 Nov 2005

Women more sensitive to chronic stress than men

"It's generally understood that females respond more strongly to acute (immediate, short-term) stress than males," said Helmer Figueiredo, PhD, of UC's department of psychiatry. "Our research shows that this may also be the case in more clinically relevant chronic-stress conditions."

20 Nov 2005

The face represents an important window into the influences of stress and emotion on health

A provocative new study has found that people who respond to stressful situations with angry facial expressions, rather than fearful expressions, are less likely to suffer such ill effects of stress as high blood pressure and high stress hormone secretion.

25 Oct 2005

Blocking macrophage migration inhibitory factor molecule might prevent the progression of multiple sclerosis

A new study suggests that a substance made by immune cells plays a key role in the progression of a disease in animals that closely mimics multiple sclerosis (MS). The findings further suggest that blocking the molecule, known as macrophage migration inhibitory factor (MIF) might prevent the progression of the disease.

19 Oct 2005

Long-term alcoholics are at a higher risk for postoperative infections following elective cardiac surgery

Previous research has shown that post-surgery rates of disease and death are two-to-five times greater among long-term alcoholics than nonalcoholic patients. Of all the possible complications, infection can be the most serious.

22 Sep 2005

Breastfeeding lowers mothers stress

Moms, want to lower stress? Try breastfeeding. New research from the McGill-affiliated Douglas Hospital Research Centre in Montreal shows mothers who breastfeed respond less to stressful situations than those who bottle-feed their children. These findings suggest these mothers may be better able to care for their children.

7 Aug 2005

Stress test has less effect on blood vessels when hormone cortisol is blocked

Negative effects of the hormone cortisol on the inner lining of blood vessels, the endothelium, may explain how stressful events trigger heart attacks and other cardiovascular problems, according to a new study in the July 19, 2005, issue of the Journal of the American College of Cardiology.

21 Jul 2005

Optimists don't always fare better than pessimists in their immunologic response to stress

The difference seems to be based on the degree of stress facing the optimist and the degree to which a pessimist avoids the problem, according to an article in the current issue of the journal Brain, Behavior, and Immunity by Suzanne Segerstrom, Ph.D., of the University of Kentucky.

10 Jun 2005

Obesity epidemic connected to the unhealthy surge in type 2 diabetes cases, cardiovascular disease and other associated disorders

Oregon Health & Science University (OHSU) researchers will unveil research results that help explain why middle-aged women develop central body fat.

6 Jun 2005

Chronic stress can be harmful - to your health and also to your brain

Chronic stress can be harmful - to your health and also to your brain, according to researchers at the Douglas Hospital Research Center. Their findings, published in a recent issue of Psychoneuroendocrinology, show increased stress hormones lead to memory impairment in the elderly and learning difficulties in young adults.

17 May 2005