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.
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.
Oregon Health & Science University (OHSU) researchers will unveil research results that help explain why middle-aged women develop central body fat.
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.
Pregnant women present during the September 11 World Trade Center collapse have passed on markers of Post Traumatic Stress Disorder (PTSD) to their unborn babies through transgenerational transmission. The findings strengthen the evidence for in utero or early life risk factors for the later development of adult mental or physical disorders.
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.
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).
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.
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.
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.
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.
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.
Scientists may be learning why it’s so hard to stop the cycle of violence. The answer may lie in the nervous system.
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.
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.
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.
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.
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.
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.
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.
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.