Stress News and Research

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Men more likely to turn to alcohol when they feel down

Women and men tend to have different types of stress-related psychological disorders. Women have greater rates of depression and some types of anxiety disorders than men, while men have greater rates of alcohol-use disorders than women. A new study of emotional and alcohol-craving responses to stress has found that when men become upset, they are more likely than women to want alcohol.

11 May 2008

Big differences in depressed brains

Depressed people may have far fewer of the receptors for some of the brain's "feel good" stress-response chemicals than non-depressed people, new University of Michigan Depression Center research shows.

8 May 2008

Nutrition for the growing athlete: The good, the bad and the ugly

For millions of American children and teens playing sports, good nutrition is critical for maximum health, performance and normal growth.

8 May 2008

A stable post-divorce family environment helps minimize long-term harm to children

For children of divorce, what happens after their parents split up may be just as important to their long-term well-being as the divorce itself.

7 May 2008

Nurse practitioners as entrepreneurs: constrained or liberated?

Nurse entrepreneurs today are a wonderful population of liberated professionals. Factors like subordination of nurses to the medical profession, frequent schedule changes, overloads, burnout, shift work, lack of appreciation by superiors and colleagues, lower wages, short staffing and poor working conditions have contributed towards a reduction of nursing professionals in USA and an increase in opportunities for nurse entrepreneurs.

6 May 2008

Researchers find way to make tumor cells more sensitive to hyperthermia-enhanced radiation therapy

Tumors have a unique vulnerability that can be exploited to make them more sensitive to heat and radiation, researchers at Washington University School of Medicine in St. Louis report.

6 May 2008

Mood and anxiety disorders put cancer patients at risk for posttraumatic stress disorder

Breast cancer patients who have a prior history of mood and anxiety disorders are at a much higher risk of experiencing posttraumatic stress disorder following their diagnosis, new research suggests.

5 May 2008

Drinking patterns in adolescents may be set after only a few exposures to alcohol

Scientists at Duke University Medical Center have shown a connection between early drinking patterns and a tendency to be a heavy drinker in adulthood, in a study of adolescent rats.

5 May 2008

Epidermal growth factor receptor protects cancer cells from starving

A growth factor receptor found abundantly on the surface of cancer cells and long known to fuel cancer growth also protects tumor cells from starvation by a newly identified mechanism, researchers at The University of Texas M. D. Anderson Cancer Center report in the May 5 issue of Cancer Cell.

5 May 2008

Secret to long life in lifestyle not genes

A research on the bone health of one of the oldest persons in the world, who recently died at the age of 114, reveals that there were no genetic modifications which could have contributed to this longevity.

5 May 2008

Study identifies new mechanism linking activation of key heart enzyme and oxidative stress

A study, led by University of Iowa researchers, reveals a new dimension for a key heart enzyme and sheds light on an important biological pathway involved in cell death in heart disease.

1 May 2008

Children's experiences in a pediatric intensive care unit

Nearly one in three children admitted to pediatric intensive care will experience delusions or hallucinations, which put them at higher risk for post-traumatic stress symptoms, according to a new study of children's experiences in a pediatric intensive care unit (PICU).

1 May 2008

Small molecule nutlin-3a activates an important cancer suppressor gene

By activating a cancer suppressor gene, a small molecule called nutlin-3a can block cancer cell division, according to researchers at the National Cancer Institute (NCI), part of the National Institutes of Health.

1 May 2008

Global climate change to increase vulnerability to HIV/AIDS of people in developing countries

Climate change is the newest threat to the increasing HIV/AIDS epidemic worldwide, panelists said Wednesday at an HIV forum at the University of New South Wales in Sydney, Australia, the AAP/Age reports (McLean, AAP/Age, 4/30).

30 Apr 2008

Climate change could increase HIV infection rates world-wide

Social factors, including economic pressures caused by climate change, could lead to an increase in HIV infection rates world-wide, warns a leading researcher from the University of New South Wales (UNSW).

30 Apr 2008

CSIRO researchers open up new class of chemistry

CSIRO Entomology business manager, Cameron Begley, said researchers believed the discovery opened up an entirely new class of chemistry.

29 Apr 2008

Chocolate good for pregnant women

According to scientific research in the U.S. eating chocolate, especially dark chocolate, during pregnancy is good for mother and baby.

29 Apr 2008

Scientists find distinct kind of stem cells in the pituitary gland

A team of researchers led by scientists at Cold Spring Harbor Laboratory have for the first time identified stem cells that allow the pituitary glands of mice to grow even after birth.

28 Apr 2008

AMPK signaling helps explain how cell growth is inhibited when nutrients are low

A team of scientists at the Salk Institute for Biological Studies think they know how many-if not most-living organisms answer this question. They recently showed that when food supplies dwindle, mammals, fruitflies, or frogs probably activate the same ancient cell signaling pathway in order to conserve energy.

24 Apr 2008

Mitochondrial dysfunction and redox signaling in atrial tachyarrhythmia

Researchers at the University Hospital of Magdeburg (Germany) have discovered that atrial tachycardia is associated with mitochondrial dysfunction and oxidative stress followed by the activation of the NF-kB signalling pathway with induction of NF-kB target gene expression in atrial tissue.

24 Apr 2008