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.

College freshies show weaker immune responses

Being a college freshie may have more ramifications than being lonely and missing Mum's cooking, according to a new study at Carnegie Mellon University in Pittsburgh which shows that first-year students had a weaker immune response to the flu shot than did other students, and confirms suspicions that going to college challenges both mind and body.

2 May 2005

Loneliness and social network appear to make independent contributions to immunity

A new study at Carnegie Mellon University in Pittsburgh confirms how college challenges both mind and body, by demonstrating that lonely first-year students mounted a weaker immune response to the flu shot than did other students. The study appears in the May issue of Health Psychology, which is published by the American Psychological Association (APA).

2 May 2005

Have a laugh a day, it will do you good !

It used to be an apple a day which kept the doctor away now scientists at University College London have found that being happy might be equally beneficial.

19 Apr 2005

Alcohol consumption by women who are breast feeding reduces their milk supply

Scientific researchers have turned folklore on its head by showing that alcohol consumption by women who are breast feeding reduces their milk supply, rather than boosting it.

6 Apr 2005

Over-eating at an early age may stay well into adulthood

Melbourne researchers have found that over-eating at a very young age can have a long-lasting effect on the body and in particular seems to enhance the production of hormones made in fat and involved in metabolism.

24 Jan 2005

Older mothers more affectionate to their infants

Mothers who are more mature tend to display more affection towards their infants whereas teenage mothers often focus on instrumental behaviour – fixing their infant’s clothes or their soother – finds a new study of maternal behaviour.

18 Jan 2005

$3 million to research whether stress-management techniques can improve immune system responses in women with breast cancer

The National Institutes of Health has awarded the Virginia Commonwealth University School of Nursing a $3 million grant to research whether stress-management techniques can improve immune system responses in women with breast cancer.

2 Dec 2004

Stress hormones lower threshold for aggression and aggression raises stress hormones

Scientists may be learning why it’s so hard to stop the cycle of violence. The answer may lie in the nervous system.

4 Oct 2004

Sight of a friendly face can reduce stress in sheep

This discovery, published in the journal Proceedings of the Royal Society: Biological Sciences, could point to the reason that many of us carry pictures of loved ones in our wallets or handbags.

6 Sep 2004

Wounds on hamsters without companionship don't heal as fast as those on hamsters with companionship

Researchers looked at the effect social contact had on wound healing in stressed hamsters. Results showed that skin wounds healed nearly twice as fast in the hamsters paired with a sibling. These animals also produced less of the stress hormone cortisol than unpaired hamsters.

9 Aug 2004

Higher levels of certain hormones may be associated with stress

Higher levels of certain hormones may be associated with stress, and can influence a person's ability to cope with the negative effects of stress, according to an article in the August issue of the Archives of General Psychiatry, one of the JAMA/Archives journals.

2 Aug 2004

Having a good time can strengthen different centres in the brain and help it grow healthy brain cells

Dr Ian Reid, professor of mental health at the University of Aberdeen, told delegates that for many years psychiatrists believed that poor mental health was just caused by imbalances in various brain chemicals.

10 Jul 2004

Stress may increase risk for the most common type of uterine cancer

Research in monkeys suggests the possibility that stress may increase risk for the most common type of uterine cancer, according to a report from Wake Forest University Baptist Medical Center.

10 Jul 2004

Marijuana/Cannabis causes transient schizophrenia-like symptoms

The principal active ingredient in marijuana causes transient schizophrenia-like symptoms ranging from suspiciousness and delusions to impairments in memory and attention, according to a Yale research study.

15 Jun 2004

Yo-yo dieting may have a lasting negative impact on immune function

Yo-yo dieting, in which a person repeatedly loses and regains weight, may have a lasting negative impact on immune function, according to new findings by researchers at Fred Hutchinson Cancer Research Center.

1 Jun 2004

Once-daily treatment with Alvesco (ciclesonide) in asthma patients has no effect on normal adrenal function

New data presented at the American Thoracic Society’s 2004 International Conference show that once-daily treatment with the investigational therapy Alvesco (ciclesonide) in mild-to-moderate asthma patients has no effect on normal adrenal function, as demonstrated by measurements of the hypothalamic-pituitary-adrenal (HPA)-axis.

24 May 2004

Study into the duress of space travel as part of a Mars expedition to be staged in the Australian desert later this year

Defiance, detachment, disagreement – harmful emotions in any small group situation, but in Outer Space these feelings are particularly damaging and possibly life endangering.

19 May 2004

Estrogen therapy may help bone density, muscle mass, sexual function, memory, and psychological wellbeing in postmenopausal women

Research in monkeys suggests that long-term use of estrogen therapy may reduce levels of androgens – hormones involved in maintaining bone density, muscle mass, sexual function, memory, and psychological wellbeing in postmenopausal women.

14 May 2004

Pregnancy massage may reduce the risk of premature births

Pregnancy massage long has been known to help expectant mothers feel better, and a new study shows it may well provide an even more important benefit – reducing the risk of premature births.

5 May 2004

Results of Creutzfeldt-Jakob disease research in people who received human growth hormone from cadavers

The largest study of its kind, designed to track the development of Creutzfeldt-Jakob disease in people who received human growth hormone from cadavers, has found that the vast majority of those who received the hormone did not contract the fatal condition. However, some recipients (26 out of approximately 7,700) did develop the disease.

7 Apr 2004