Stress News and Research

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Louse infestation calibrates immune system regulation

Some parasites can exert a moderating effect on the immune system, perhaps reducing the risk of developing immune dysfunctions like asthma, allergies and some forms of arthritis.

22 Apr 2009

Poor sleep disturbs neuroendocrine control of appetite

Laboratory and epidemiological studies continue to show that sleep curtailment and/or decreased sleep quality can disturb neuroendocrine control of appetite, leading to overeating, and can decrease insulin and/or increase insulin resistance, both steps on the road to Type 2 diabetes.

22 Apr 2009

Regular exercise can prevent damage that causes leakage in the blood-brain barrier

Regular exercise can prevent the disruption of the blood brain barrier that normally occurs with a dose of methamphetamine comparable to that used by heavy meth users.

22 Apr 2009

Stress in the form of depressive symptoms affects exercise patterns in breast cancer patients

The first study to monitor physical activity in breast cancer patients for five years suggests that patients with greater depressive symptoms and a lower emotional quality of life are less likely to exercise as part of their recovery than are patients reporting less distress.

22 Apr 2009

The effect of tea polyphenols on paracetamol-induced hepatotoxicity

Paracetamol is one of the most widely used, studied, and arguably the most notorious hepatotoxic drugs, which is safe at therapeutic doses but causes liver failure when overdosed.

21 Apr 2009

Healthcare reform should start with paying evidence-based financial incentives to doctors

Healthcare Reform should start with "evidence-based reimbursement", structuring physician payment incentives around existing empirical evidence of clinical benefit, which would improve quality and reduce the cost of healthcare, says a commentary written by two cardiologists and published in Circulation: Cardiovascular Quality and Outcomes .

20 Apr 2009

Discovery of key processes in the brain that control perception of emotional events

Research performed by Nicole Lauzon and Dr. Steven Laviolette of the Schulich School of Medicine & Dentistry at The University of Western Ontario has found key processes in the brain that control the emotional significance of our experiences and how we form memories of them.

20 Apr 2009

Inhaled smoke shifts male cardiovascular system into overdrive

Secondhand tobacco smoke and smoke from cooking oil and wood smoke affected cardiovascular function of men and women who were exposed to small doses of the smoke for as little as 10 minutes, according to a study from the University of Kentucky.

20 Apr 2009

Rockefeller University Hospital opens new Sleep Research Center

A good night's sleep is good for your health, but the details have long been sketchy.

20 Apr 2009

Study looks at exposure to vibration in workplace

Speaking on April 19 at the Experimental Biology 2009 meeting in New Orleans, Dr. Kristine Krajnak, a team leader in the Engineering and Control Technologies Branch of the Health Effects Laboratory Division of NIOSH in Morgantown, West Virginia, describes results from the first study to directly link the different physical responses of tissue that occur with exposure to different vibration frequencies with biological mechanisms underlying the development of vascular dysfunction.

20 Apr 2009

Chewing sugar-free gum helps lower calorie intake and reduces cravings for sweet snacks

New research from the Pennington Biomedical Research Center and Louisiana State University shows the potential role of Extra sugar-free gum in helping to control appetite, decrease calorie intake and reduce snack cravings.

20 Apr 2009

Low lead levels in children can affect cardiovascular responses to stress

Even low levels of lead found in the blood during early childhood can adversely affect how the child's cardiovascular system responds to stress and could possibly lead to hypertension later in life, according to a study from the State University of New York (SUNY) at Oswego.

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

Research shows how p53 mutations link to high-grade breast cancer, poor outcomes

In what is believed to be the largest study of its kind in the US, researchers have found that almost 26 percent of women studied who have breast cancer have mutations in a gene important in controlling cell growth and death, and that patients with mutations in this gene - known as p53 - had poorer outcomes including a significantly increased risk of death from the cancer.

20 Apr 2009

Early isolation linked to enhanced response to cocaine

Drug addiction affects millions of people around the world, causing numerous problems ranging from emotional and psychological difficulties to physical and health issues.

20 Apr 2009

Coffee, caffeine and amyotrophic lateral sclerosis

Amyotrophic lateral sclerosis (ALS) is a fatal disease that damages key neurons in the brain and spinal cord.

20 Apr 2009

Survival mode that protects cells when oxygen is low also slows aging

A biochemical pathway that helps keep cells alive when oxygen is low also plays a role in longevity and resistance against some diseases of old age, according to a report to be published April 16 in the journal Science.

16 Apr 2009

Canadian experts on irritable bowel syndrome

While more than six per cent of Canadians suffer from this troublesome disease - characterized by on-going abdominal pain, discomfort, bloating, and severe bouts of either diarrhoea or constipation - most Canadians, including many physicians, know little about it.

16 Apr 2009

Researchers examine link between Tourette syndrome and ADHD

The most disabling aspect of Tourette syndrome is that in 90% of cases, it exists in conjunction with another disorder.

15 Apr 2009

Mehamphetamine use during pregnancy causes abnormal brain development in children

A first of its kind study examining the effects of methamphetamine use during pregnancy has found the drug appears to cause abnormal brain development in children.

15 Apr 2009