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How the brain tracks time is essential to understanding all its functions

The brain is a "time machine," assert Duke neuroscientists Catalin Buhusi and Warren Meck. And understanding how the brain tracks time is essential to understanding all its functions. The brain's internal clocks coordinate a vast array of activities from communicating, to orchestrating movement, to getting food, they said.

30 Oct 2005

Long-term benefits of initial combination therapy for rheumatoid arthritis

A progressive, inflammatory disease affecting the joints and organs, rheumatoid arthritis (RA) claims more than two million Americans, mostly women over age 40, among its victims.

30 Oct 2005

New vaccine that targets avian flu

Vanderbilt University Medical Center is enrolling volunteers in a study to test a new vaccine that targets avian flu, the first such vaccine against the virus.

30 Oct 2005

$107.6 million grant for malaria vaccine candidate

In an important step toward developing an effective malaria vaccine, the Bill & Melinda Gates Foundation has announced a $107.6 million grant to the PATH Malaria Vaccine Initiative (MVI) to extend the public-private partnership between MVI and GlaxoSmithKline Biologicals (GSK Bio) to develop GSK Bio's malaria vaccine for children in Africa.

30 Oct 2005

Health care cuts in the US are costing lives

Lori Smith, a representative of the Poor People's Economic Human Rights Campaign in Tennessee, believes that plans to dismantle national social programmes for sick and poor people throughout the US are leading to suffering and death.

30 Oct 2005

Gene fusion appears to cause prostate cancer

Scientists at the University of Michigan Medical School, in collaboration with researchers at Harvard's Brigham and Women's Hospital, have discovered a recurring pattern of scrambled chromosomes and abnormal gene activity that occurs only in prostate cancer.

30 Oct 2005

Talk therapy effective treatment for seasonal affective disorder

The alterations start every year around October just after the end of daylight savings time. For most, the clock shift just adds an hour to the weekend -- but for sufferers of seasonal affective disorder, a syndrome involving recurring bouts of depression during fall and winter months, it marks the beginning of a difficult time of year when many forgo an after-work run for a nap, watch television instead of walk the dog, or sleep later in the morning.

30 Oct 2005

Hormone found naturally in the body has the ability to cause limited weight loss

Research at the Oregon National Primate Research Center (ONPRC) at Oregon Health & Science University has demonstrated that a hormone found naturally in the body has the ability to cause limited weight loss. Specifically, the research revealed that peptide YY (PYY) can reduce food consumption in the morning, leading to a mild level of weight loss in the short term.

30 Oct 2005

Risk of ischemic stroke increases with a rise in air pollution

The risk of ischemic stroke - which results when a blood clot travels to the brain - increases with a rise in particulate air pollution, according to a study in Stroke: Journal of the American Heart Association.

30 Oct 2005

Should the NHS continue to pay for drugs for rare diseases?

The growing number and costs of drugs for rare diseases (orphan drugs) are straining healthcare budgets. Should the NHS continue to pay for them and how will this affect other health services, ask two articles in this week's British Medical Journal (BMJ)?

30 Oct 2005

Environment is a major factor influencing the success of the addiction recovery

New research in monkeys suggests that, although living in an "enriched" environment can make someone less vulnerable to abusing cocaine, once started, extended drug abuse can eliminate the social advantage the abuser originally had.

30 Oct 2005

Increased physical activity may strenghten adult joint cartilage

Osteoarthritis (OA) is the leading cause of disability among adults. As the population ages, increased intervention efforts are vital to controlling the individual and public health toll of this chronic, crippling joint disease.

30 Oct 2005

Hypertension and uric acid contributes to premature delivery

Pregnant women with hypertension who also have elevated blood uric acid levels may face an increased risk of complications that could be fatal for mother and baby, University of Pittsburgh researchers have found.

30 Oct 2005

DCDC2 gene linked to dyslexia

Pediatric researchers at Yale School of Medicine have identified a gene on human chromosome 6 called DCDC2, which is linked to dyslexia, a reading disability affecting millions of children and adults.

30 Oct 2005

Vaccination against measles could prevent many more cases of SSPE, than previously thought

A new study has found wild-type measles virus in tissues from patients who died of a fatal brain infection, providing evidence against the notion that the strain of virus in the measles vaccine caused the infection.

30 Oct 2005

Novel mouse model of medulloblastoma

A collaboration of researchers, led by Dr. Martine Roussel of St. Jude Children's Research Hospital, has developed a novel mouse model of medulloblastoma -- the most prevalent malignant pediatric brain tumor -- that the researchers hope will more accurately represent the genetic changes involved in human brain tumor development.

30 Oct 2005

National target for reducing the rate of MRSA infection impossible to assess reliably

Chance makes it impossible to assess reliably whether hospitals are meeting government targets to reduce MRSA infections, argues a statistics expert in this week's British Medical Journal.

30 Oct 2005

HDLs provide human immunity to certain parasites

For years biomedical researchers have known that high density lipoproteins, commonly called HDLs or "good cholesterol," are responsible for protecting humans from certain parasites, but couldn't explain how.

30 Oct 2005

Analytical method to trace the lineage trees of cells

Some fundamental outstanding questions in science - "Where do stem cells originate?" "How does cancer develop?" "When do cell types split off from each other in the embryo?" - might be answered if scientists had a way to map the history of the body's cells going back to the fertilized egg.

30 Oct 2005

Head injury patients not treated in specialist brain surgery centres are at significantly greater risk

In a study published in The Lancet which analysed 1989 – 2003 data from the national Trauma Audit and Research Network database, the team compared the death-rates of patients with head injuries with those of other types of emergency patients and assessed the impact of neurosurgical care on these rates.

From The University of Manchester 30 Oct 2005