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New research may solve problem of vessels re-closing after angioplasty

Through studying pigeons with genetic heart disease, researchers at Wake Forest University School of Medicine have discovered a clue about why some patients' heart vessels are prone to close back up after angioplasty.

6 Aug 2006

Nurses suffer from work-related low back pain more often than workers in other professions

Nurses offer care and comfort, but they often end up with a pain in the back for their efforts, the results of a new study show.

6 Aug 2006

Aggressive melanoma cells secrete Nodal - protein critical to embryo formation

A Northwestern University research group has discovered that aggressive melanoma cells secrete Nodal, a protein that is critical to proper embryo formation.

6 Aug 2006

Why reassurance fails in patients with unexplained symptoms

When patients are unconvinced by reassurance from their doctor that they have nothing to worry about, it may be because their emotional state makes it hard for them to remember all the information the doctor has given them, according to new research in PLoS Medicine.

6 Aug 2006

New, shorter therapies to treat tuberculosis more effective

New, shorter therapies to treat tuberculosis (TB), which kills millions worldwide each year, may make TB control efforts substantially more effective by simplifying treatment, improving patient outcomes and reducing transmission of new infections.

6 Aug 2006

Impact of adolescent overweight on adult mortality

Researchers found that being overweight at age 18 is associated with an increased risk of premature death in younger and middle-aged women.

6 Aug 2006

Almost half of kids with ADHD are not being treated

In contrast to claims that children are being overmedicated for attention-deficit/hyperactivity disorder (ADHD), a team of researchers at Washington University School of Medicine in St. Louis has found that a high percentage of kids with ADHD are not receiving treatment.

4 Aug 2006

Researchers identify how molecules of microRNA are responsible for the growth of blood vessels in a model for human colon cancer

The process, called angiogenesis, results in ability of ravenous cancer cells to recruit blood vessels and receive a steady supply of nutrients and oxygen.

4 Aug 2006

Federally approved human embryonic stems inferior to those donated for research

Neural stem cells grown from one of the federally approved human embryonic stem cell lines proved to be inferior to neural stem cells derived from fetal tissue donated for research, a UCLA study has found.

4 Aug 2006

3-year-old Iraqi girl arrives in the U.S. to receive cochlear implant

Amina is a 3-year-old Iraqi girl born with Profound Sensorineural Hearing Loss, which means total deafness.

4 Aug 2006

Researchers discover one of the malaria parasite's sneakiest tricks

Researchers have discovered one of the malaria parasite's sneakiest tricks--using dead liver cells to cloak and transport itself back into the bloodstream after leaving the liver.

4 Aug 2006

Turning the immune system against cancer

Medicine can now prevent a host of diseases with a mere shot of vaccine. Polio and smallpox are almost non-existent, and mumps and chicken pox are rarely seen nowadays.

4 Aug 2006

Combating childhood malnutrition

Swollen bellies, orange hair, listlessness and dull eyes -- these are the traits of child malnutrition in Haiti, the poorest country in the Western Hemisphere and where roughly one of every three children is chronically malnourished.

4 Aug 2006

Methamphetamine increases production of protein that promotes the spread of the HIV-1 virus in infected drug users

Researchers at the University at Buffalo have presented the first evidence that the addictive drug methamphetamine, or meth, also commonly known as "speed" or "crystal," increases production of a docking protein that promotes the spread of the HIV-1 virus in infected users.

4 Aug 2006

High blood pressure induces low fat metabolism in heart muscle

Hearts of non-diabetics with muscle thickening due to high blood pressure have an energy metabolism skewed in the opposite direction -- away from the use of fat for energy.

4 Aug 2006

Literacy at less than a ninth-grade level almost doubles the five-year risk of mortality among elderly people

The literacy and mortality study analyzed data on 2,512 participants in the Health, Aging, and Body Composition Study that was conducted by the National Institute on Aging from 1999 to 2004.

4 Aug 2006

Researchers determine structure of an important smallpox virus enzyme and how it binds to DNA

Researchers at the University of Pennsylvania School of Medicine have determined the structure of an important smallpox virus enzyme and how it binds to DNA.

4 Aug 2006

How the body controls brain temperature: the temperature shielding effect of cerebral blood flow

Attempts to cool the brain to reduce injury from stroke and other head trauma may face a significant obstacle: current cooling devices can't penetrate very deeply into the brain.

4 Aug 2006

Diagnosis and referrals for kidney disease fall well short of need

Results of a national study of 304 U.S. physicians, in which "mock" patients' symptoms were presented for diagnosis, suggest that a sizeable percentage of primary care doctors probably fail to properly diagnose and refer patients with chronic kidney disease (CKD).

3 Aug 2006

Patients receiving treatment with radioisotopes may trigger security alarms

Patients receiving treatment with radioisotopes should be warned that they may trigger radiation alarms, say doctors in this week's British Medical Journal.

3 Aug 2006