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Bacterial toxin closes gate on immune response

Researchers at the University of Pennsylvania School of Medicine have demonstrated that a bacterial toxin from the common bacterium Staphylococcus aureus shuts down the control mechanism of the tunnel, called an ion channel, in immune cell membranes.

14 Feb 2008

Probiotics help keep elite athletes fit and well

According to the latest Australian research the immune system of long-distance runners was enhanced by probiotics - dietary supplements containing potentially beneficial bacteria or yeasts.

13 Feb 2008

Get fit because it's never too late!

According to the latest research it's never too late to get fit. Researchers in the United States say the benefits of a healthy, active lifestyle which includes regular exercise last well into old age.

13 Feb 2008

Blood test detects early stage ovarian cancer with 99 percent accuracy

Researchers at Yale School of Medicine have developed a blood test with enough sensitivity and specificity to detect early stage ovarian cancer with 99 percent accuracy.

13 Feb 2008

One red wine good, two bad!, says study

One drink of either red wine or alcohol slightly benefits the heart and blood vessels, but the positive effects on specific biological markers disappear with two drinks, say researchers at the Peter Munk Cardiac Centre of the Toronto General Hospital.

13 Feb 2008

New Centre to be at the heart of UK’s cardiovascular research

Expertise from across the University of Leeds is to be channelled into a new research centre that aims to progress the understanding, treatment and prevention of cardiovascular diseases.

13 Feb 2008

Does psychotherapy help older people with depression?

The jury is still out on whether psychotherapy can help older people with depression, according to a new review of recent research.

13 Feb 2008

Lab on a chip mimics chemical complexities of the brain

Johns Hopkins researchers from the Whiting School of Engineering and the School of Medicine have devised a micro-scale tool - a lab on a chip - designed to mimic the chemical complexities of the brain.

13 Feb 2008

Fake antimalarial drugs analysis highlights threat to global health

A unique collaboration between scientists, public health workers and police has led to the arrest by the Chinese authorities of alleged traders of fake anti-malarial drugs in southern China and the seizure of a large quantity of drugs.

13 Feb 2008

Pharmaceutical policies: effects of cap and co-payment on rational drug use

A new review of existing research suggests that co-pays and caps on drug expenditures could keep crucial medications out of the hands of those who need them.

13 Feb 2008

Discovery of 'overdrive' protein could broaden drug design options

New research by scientists at the University of North Carolina at Chapel Hill shows for the first time that an important family of proteins known to function at the cell surface also functions at a site within the cell.

13 Feb 2008

Discovery that embryonic stem cells can be used to create functional immune system blood cells

A new study demonstrates for the first time that embryonic stem cells can be used to create functional immune system blood cells, a finding which is an important step in the utilization of embryonic stem cells as an alternative source of cells for bone marrow transplantation.

13 Feb 2008

Factors associated with exceptionally long life

A healthy lifestyle during the early elderly years—including weight management, exercising regularly and not smoking—may be associated with a greater probability of living to age 90 in men, as well as good health and physical function, according to a report in the February 11 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

12 Feb 2008

Scientists reprogram human skin cells into embryonic stem cells

UCLA stem cell scientists have reprogrammed human skin cells into cells with the same unlimited properties as embryonic stem cells without using embryos or eggs.

12 Feb 2008

What do marathoners and heart failure patients have in common?

The new study shows that the fatigue that marathoners and other extreme athletes feel at the end of a race is caused by a tiny leak inside their muscles that probably also saps the energy from patients with heart failure.

12 Feb 2008

Disability does not necessarily follow disease in living to old age

Researchers from Boston Medical Center's (BMC) New England Centenarian Study report that for a substantial proportion of their centenarian subjects, avoiding age-related diseases (i.e. stroke, cardiovascular disease, diabetes) may not be the key to their longevity; rather, the avoidance of disability may be a key feature in their exceptional survival.

12 Feb 2008

Toxic blue-green algae may provide new anti-cancer drugs

A collaborative team of researchers spearheaded by Dennis Carson M.D., professor of medicine and director of the Rebecca and John Moores UCSD Cancer Center at the University of California, San Diego (UCSD) has identified a potent new anti-cancer drug isolated from a toxic blue-green algae found in the South Pacific.

12 Feb 2008

Accuracy of online breast cancer information

A new study has found that one in twenty breast cancer web pages contained inaccurate information, and that web sites devoted to complementary or alternative medicine were fifteen times more likely to have false information.

12 Feb 2008

Coronary disease may be on the rise

A Mayo Clinic analysis of two decades of autopsy results shows a long-term decline in the prevalence of coronary disease has ended and the disease may be on the upswing.

12 Feb 2008

Penn childhood obesity researchers panelists at AAAS event

Shiriki Kumanyika, PhD, MPH, Professor of Epidemiology and Associate Dean for Health Promotion and Health Prevention, at the University of Pennsylvania School of Medicine, and Virginia A. Stallings, MD, PhD, the Jean A. Cortner Endowed Chair in Pediatric Gastroenterology at Penn and Professor of Pediatrics at The Children's Hospital of Philadelphia, will be part of a panel at a special public session, Understanding Obesity and Childhood at the 2008 American Association for the Advancement of Science (AAAS) annual meeting in Boston.

12 Feb 2008