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Research sheds light on origins of "junk" DNA

In experiments with transgenic mice, University of Pennsylvania School of Medicine researchers discovered the remaining steps in the complicated process of how the largest class of jumping genes replicates and inserts themselves within the human genome.

7 Feb 2006

Mechanism of torpor - hibernation-like state

If doctors could put people in hibernation and pull them out at will, scientists think they could minimize damage from strokes, help recipients' bodies accept transplanted organs, perhaps even enable astronauts to travel in suspended animation until reaching distant destinations.

7 Feb 2006

Ice-templated fabrication shows promise for artificial bone

The next generation of artificial bone may rely on a few secrets from the sea. Scientists from the U.S. Department of Energy's Lawrence Berkeley National Laboratory have harnessed the way seawater freezes to develop a porous, scaffolding-like material that is four times stronger than material currently used in synthetic bone.

7 Feb 2006

Imaging technology detects subtle brain changes in Type 1 diabetics

Although people with diabetes are twice as likely as the general population to develop depression, the cause of this increased risk is not well understood.

7 Feb 2006

Doctors' conscience has little place in the delivery of modern medical care

A doctor's conscience should not be allowed to interfere with medical care, argues an ethics expert in the British Medical Journal.

7 Feb 2006

Engineered heart tissue offers insights into irregular heartbeats

Engineers who have induced heart cells in culture to mimic the properties of the heart have used the tissue to gain new insight into the mechanisms that spawn irregular heart rhythms.

7 Feb 2006

38 million Americans with health conditions that put them at increased risk for cardiovascular disease

An estimated 63 million adults have low-density lipoprotein cholesterol (LDL-C) levels higher than what would be ideal as recommended by the National Institutes of Health.

7 Feb 2006

Rotavirus vaccine will protect children against a major killer worldwide

The Food and Drug Administration (FDA) has announced the licensing of a new vaccine against a disease responsible for tens of thousands of hospitalizations in the United States and hundreds of thousands of deaths around the world each year.

7 Feb 2006

Source of crucial immune cell in the skin discovered - may lead to tumor immunotherapy

Mount Sinai School of Medicine researchers have identified the precursors of cells in the skin that are part of the first line of defense against invading pathogens. The study appears on Nature Immunology's website.

7 Feb 2006

Abortion-rights and anti-abortion groups share some values

People with strong views on abortion and other controversial issues tend to exaggerate differences of opinion they have with their opponents, a new University of Florida study finds.

7 Feb 2006

Study shows one third of candidates are unlikely to benefit from ICD

Last year, about 170,000 people in North America had devices surgically implanted to stop potentially fatal arrhythmias. For many, these were life-saving, but for others they were unnecessary, uncomfortable, and sometimes dangerous.

7 Feb 2006

Cell phones help reduce error rate in hospital care

Using mobile telephones in hospitals reduces the error rate in medical care because of more timely communication and rarely causes electronic magnetic interference, Yale School of Medicine researchers report this month.

7 Feb 2006

Fluoride varnish prevents tooth decay in young children

Fluoride varnish, a dental preventive treatment, reduces the incidence of early childhood tooth decay in combination with dental health counseling for parents, according to a study by investigators at the UCSF School of Dentistry.

7 Feb 2006

Intracellular observation of RNA metabolism will help identify disease-associated RNAs

For the first time, researchers can now peer inside intact cells to not only identify RNA-binding proteins, but also observe-in real-time-the intricate activities of these special molecules that make them key players in managing some of the cell's most basic functions.

7 Feb 2006

Alternative method to produce heparin

Researchers at Rensselaer Polytechnic Institute and University of North Carolina at Chapel Hill have discovered an alternative way to produce heparin, a drug commonly used to stop or prevent blood from clotting.

7 Feb 2006

"Freshman Fifteen" phenomenon is exaggerated

A common, but often undocumented, truism among college students is that they are likely to gain 15 pounds during their freshman year. But now a new study at Rutgers' Cook College has found that the "Freshman Fifteen" phenomenon is exaggerated.

7 Feb 2006

Researchers gain new insights into when human maturity sets in

Two Dartmouth researchers are one step closer to defining exactly when human maturity sets in. In a study aimed at identifying how and when a person's brain reaches adulthood, the scientists have learned that, anatomically, significant changes in brain structure continue after age 18.

7 Feb 2006

Seven per cent of men having a heart attack drove themselves to hospital

The study, which looked at 890 heart attack patients admitted to six major teaching hospitals in Dublin, Southern Ireland, also found that it took women five times as long as men to go to casualty departments after their symptoms first started. But only one per cent got behind the wheel and drove to the hospital.

7 Feb 2006

Ability for grammar hardwired into humans

Researchers have long wondered why certain fundamental characteristics of grammar are present in all languages, and now a team of scientists at the University of Rochester has found evidence that these properties are built into the way our brains work.

7 Feb 2006

Patients checking into a top rated hospital have a 27 percent lower chance of mortality

Patients checking into a hospital rated in the top five percent in the country have, on average, a 27 percent lower chance of mortality and a 14 percent lower risk of complications, according to a study released today by HealthGrades, the leading independent healthcare ratings company.

7 Feb 2006