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.

Steroid hormones found to affect gene activity

Intermittent signaling by steroid hormones can affect the way genes are expressed in rodents, according to research by scientists at the University of Bristol and the National Cancer Institute (NCI), USA. This work has major implications for understanding how steroids work and opens novel avenues for new therapies.

19 Aug 2009

Sleep patterns can identify adolescents at greatest risk for depression

Sleep patterns can help predict which adolescents might be at greatest risk for developing depression, a researcher at UT Southwestern Medical Center has found in a five-year study.

13 Aug 2009

Workplace meditation and yoga lowers stress

Twenty minutes per day of guided workplace meditation and yoga combined with six weekly group sessions can lower feelings of stress by more than 10 percent and improve sleep quality in sedentary office employees, a pilot study suggests.

4 Aug 2009

Links between major depression and coronary artery disease studied

Major depression and coronary artery disease are only modestly related throughout an individual’s lifetime, but studying how the two interact over time and in twin pairs paints a more complex picture of the associations between the conditions, according to a report in the August issue of Archives of General Psychiatry. For example, the association between coronary artery disease onset and major depression risk is much stronger over time than vice versa.

4 Aug 2009

Enjoyable leisure activities tied to psychological and physical well-being

Taking time for leisure activities apart from the demands of work and other responsibilities helps people function better physically and mentally. In fact, the more time spent doing different types of enjoyable activities, the better a person's health tends to be, according to a new study.

28 Jul 2009

Acute stress improves working memory

Day after day of chronic stress will wear a person down physically and mentally. But new research suggests that the acute stress produced by a brief run-in with a stressful scenario acts on a key brain region controlling emotion and cognition, temporarily improving learning and memory.

28 Jul 2009

Short stressful events may improve working memory

Experiencing chronic stress day after day can produce wear and tear on the body physically and mentally, and can have a detrimental effect on learning and emotion. However, acute stress -- a short stressful incident -- may enhance learning and memory.

23 Jul 2009

New findings on how stress causes sexual dysfunction and infertility

University of California, Berkeley, researchers have found what they think is a critical and, until now, missing piece of the puzzle about how stress causes sexual dysfunction and infertility.

16 Jun 2009

Nicotine promotes insulin resistance

Researchers have discovered a reason why smoking greatly increases the risk of heart disease and stroke. Nicotine promotes insulin resistance, also called prediabetes, which is a risk factor for cardiovascular disease, according to the new study, which was presented at The Endocrine Society's 91st Annual Meeting in Washington, D.C.

13 Jun 2009

Social moms make better moms, at least in baboons

Female baboons who have strong social relationships with other females give birth to offspring who are much more likely to survive to adulthood than baboons reared by less social mothers, according to a new study by researchers at the University of Pennsylvania, the University of California, Los Angeles, and others.

11 Jun 2009

Why does dishing with a girlfriend do wonders for a woman's mood?

A University of Michigan study has identified a likely reason: feeling emotionally close to a friend increases levels of the hormone progesterone, helping to boost well-being and reduce anxiety and stress.

2 Jun 2009

Chinese body and mind training gets results with students in just 5 days!

Chinese researchers have unravelled how a training technique adapted from traditional Chinese medicine works to reduce stress and enhance learning.

19 May 2009

New computer-controlled system to improve the accuracy of blood tests

Blood tests are common procedures in medicine and sometimes several are required over a prolonged period.

30 Apr 2009

Researchers investigate the effects of oxytocin on human couple interactions

Relationships are difficult and most of us probably think at some point that communicating positively with our partner when discussing stressful issues, like home finances, is an impossible task.

29 Apr 2009

Children who witness violence show symptoms of post-traumatic stress

They also suffer physiological effects with a disruption to their normal cortisol production pattern during the day, which may have long-term negative effects on their health.

22 Apr 2009

Oral contraceptives impair muscle mass gains in young women

Many active young women use oral contraceptives (OC) yet its effect on their body composition and exercise performance has not been thoroughly studied.

20 Apr 2009

Laughter improves health

The connection between the body, mind and spirit has been the subject of conventional scientific inquiry for some 20 years.

20 Apr 2009

Stressed pregnant women more likely to have asthmatic children

Pregnant women who are stressed, particularly late in pregnancy, have an increased risk of their child going on to develop asthma, according to the latest research from Children of the 90s.

15 Apr 2009

How men and women cope differently with stress traced to genetic differences

Can people's differing reactions to situations of stress be attributed at least in part to genetic differences and do those differences affect men and women in different ways - with the edge seemingly favoring the women? Research conducted at the Hebrew University of Jerusalem would seem to indicate that the answer to both questions is yes.

5 Apr 2009

Autism linked with stress hormone levels

Some of the symptoms of the autistic condition Asperger Syndrome, such as a need for routine and resistance to change, could be linked to levels of the stress hormone cortisol, suggests new research led by the University of Bath.

4 Apr 2009