Stress News and Research

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Nicotinic receptors may be important targets for treatment of multiple addictions

For years, scientists have known that some people are biologically more susceptible to drug addiction than others, but they have only been able to speculate why.

17 Aug 2007

Air pollution linked to poor lung function growth in children

Children who are chronically exposed to higher levels of air pollution show marked deficiencies in lung growth and function, and not just short-term breathing problems, according to researchers in Mexico.

17 Aug 2007

Brain imaging reveals breakdown of normal emotional processing

Brain imaging has revealed a breakdown in normal patterns of emotional processing that impairs the ability of people with clinical depression to suppress negative emotional states.

17 Aug 2007

Metformin kills some cancer cells

Researchers at the University of Pennsylvania School of Medicine have found that a commonly prescribed diabetes drug kills tumor cells that lack a key regulatory gene called p53.

16 Aug 2007

Cancer blocking gene discovered

Canadian scientists have discovered a gene that suppresses the growth of many cancerous tumours.

14 Aug 2007

Discovery of new mechanism of resistance to endocrine or anti-hormonal therapies

When a woman receives a breast cancer diagnosis her entire life may change in the blink of an eye.

13 Aug 2007

Impaired energy production in heart muscle may underlie heart failure in some hypertensive patients

Many people with long-standing high blood pressure develop heart failure. But some don't. Daniel P. Kelly, M.D., and colleagues at Washington University School of Medicine in St. Louis and other institutions are trying to figure out what could explain that difference.

13 Aug 2007

Genomic factors may play a role in alcohol and tobacco use

Alcohol and smoking can be harmful, if not deadly. While the desire for these substances can be due to environmental cues, genomic factors also play an important role.

13 Aug 2007

Antioxidant overload

Despite the popular notion that antioxidants, such as vitamins C and E, offer health-promoting benefits by protecting against damaging free radicals, a new study in the August 10 issue of the journal Cell reveals that, in fact, balance is the key.

12 Aug 2007

Impaired energy production in heart muscle may underlie heart failure in some hypertensive patients

Many people with long-standing high blood pressure develop heart failure.

12 Aug 2007

Chromatin remodeling complex connected to DNA damage control

When molecular disaster strikes, causing structural damage to DNA, players in two important pathways talk to each other to help contain the wreckage, scientists at The University of Texas M. D. Anderson Cancer Center report in the August edition of Cell.

12 Aug 2007

Connection between reduced glutathione and heart failure

Antioxidants are widely considered an important defense against heart disease, but University of Utah researchers have found excessive levels of one antioxidant - reduced glutathione - actually may contribute to the disease.

12 Aug 2007

All children adopted from outside North America should be screened for TB

University of Alberta researchers stress that all children adopted from outside North America should be screened for tuberculosis.

11 Aug 2007

Link between stress and periodontal diseases

A literature review published in the August issue of the Journal of Periodontology (JOP) saw a strong relationship between stress and periodontal diseases; 57% of the studies included in the review showed a positive relationship between periodontal diseases and psychological factors such as stress, distress, anxiety, depression, and loneliness.

9 Aug 2007

New study looks at indulgent consumption

Many of us experience a tinge of guilt as we delight in feelings of pleasure from our favorite indulgences, like splurging on an expensive handbag or having another drink.

8 Aug 2007

Endothelial nitric oxide synthase gene linked to brain aneurysm formation

University of Cincinnati (UC) neurovascular researchers have identified a gene that, when suppressed or completely absent, may predispose a person to brain aneurysms.

8 Aug 2007

Parents' depression impacts child's symptoms of depression

A parent's struggle with stress or depression can lower a child's quality of life -- and it could hinder an overweight youngster's attempts to lose weight, too, University of Florida researchers say.

8 Aug 2007

Do you suffer from irritable bowel syndrome?

Irritable Bowel Syndrome (IBS) is a disorder of bowel function. Patients who suffer from irritable bowel syndrome have abdominal pain or discomfort accompanied by changes in bowel habits such as constipation or diarrhea (or both).

8 Aug 2007

Potential new biomarker for heart failure also strongly predicts risk of death

A potential new biomarker for heart failure may be more powerful than established measures in identifying patients at increased risk for death from several causes.

7 Aug 2007

Potential new ways to prevent smoking-related cellular damage

In the current issue of PLoS One, researchers show how a poorly understood and previously unsuspected mechanism may be the key to understanding how life-style associated forms of oxidative stress, such as exposure to cigarette smoke, damage cells in the lungs.

7 Aug 2007