السبت، 22 أكتوبر 2011

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News


Preventing cancer development inside the cell cycle

Posted: 21 Oct 2011 04:55 PM PDT

Researchers have identified a cell cycle-regulated mechanism behind the transformation of normal cells into cancerous cells. The study results suggest that inhibition of the CK1 enzyme may be a new therapeutic target for the treatment of cancer cells formed as a result of a malfunction in the cell's mTOR signaling pathway.

Study finds no correlation between primary kidney stone treatment and diabetes

Posted: 21 Oct 2011 04:54 PM PDT

A Mayo Clinic study finds no correlation between the use of shock waves to break up kidney stones and the long-term development of diabetes.

PSA test valuable in predicting biopsy need, low-risk prostate cancer, study finds

Posted: 21 Oct 2011 04:54 PM PDT

The prostate-specific antigen test, commonly known as the PSA test, is valuable in predicting which men should have biopsies and which are likely to be diagnosed with low-risk prostate cancer, a new study has found.

Trio of studies support use of PET/CT scans as prostate cancer staging tool

Posted: 21 Oct 2011 01:22 PM PDT

Recent studies have suggested that C-11 choline positron emission tomography/computerized tomography scans can be utilized as a staging and potentially therapeutic tool in prostate cancer.

Commonly used three-drug regimen for idiopathic pulmonary fibrosis found harmful

Posted: 21 Oct 2011 01:22 PM PDT

A multi-center, clinical trial studying treatments for the lung-scarring disease idiopathic pulmonary fibrosis has been stopped for safety concerns. The trial found that people with IPF receiving a currently used triple-drug therapy consisting of prednisone, azathioprine, and N-acetylcysteine had worse outcomes than those who received placebos.

Coupling of proteins promotes glioblastoma development, researchers find

Posted: 21 Oct 2011 12:16 PM PDT

Two previously unassociated proteins known to be overly active in a variety of cancers bind together to ignite and sustain malignant brain tumors, a research team reports.

Housing, health care contribute most to rising costs of living in Washington State, U.S.

Posted: 21 Oct 2011 09:58 AM PDT

It costs 8 percent more on average than it did two years ago for Washington State residents to make ends meet, according to a new report.

Blood-pressure-lowering drug after stroke aids recovery, study suggests

Posted: 21 Oct 2011 09:57 AM PDT

A commonly prescribed blood pressure-lowering medication appears to kick start recovery in the unaffected brain hemisphere after a stroke by boosting blood vessel growth, a new study has found.

Elderly long-term care residents suffer cognitively during disasters

Posted: 21 Oct 2011 09:55 AM PDT

In a summer with unprecedented weather events, from tornadoes, floods, fires and hurricanes, researchers found that physiological changes associated with aging and the presence of chronic illness make older adults more susceptible to illness or injury, even death, during a disaster.

Biomarker detects graft-versus-host-disease in cancer patients after bone marrow transplant

Posted: 21 Oct 2011 09:55 AM PDT

A team of researchers has found a biomarker they believe can help rapidly identify one of the most serious complications in cancer patients after a bone marrow transplant.

Research involving thyroid hormone lays foundation for more targeted drug development

Posted: 21 Oct 2011 09:51 AM PDT

New research advances a strategy for taming the side effects and enhancing the therapeutic benefits of steroids and other medications that work by disrupting the activity of certain hormones.

New mechanism inhibiting the spread and growth of cancer found in motile cells

Posted: 21 Oct 2011 05:45 AM PDT

A revolutionary discovery regarding motile cancer cells is challenging previous conceptions.

Simple lifestyle changes can add a decade or more healthy years to the average lifespan, Canadian study shows

Posted: 21 Oct 2011 04:47 AM PDT

Health prevention strategies to help people achieve their optimal health potential could add a decade or more of healthy years to the average lifespan and save the economy billions of dollars as a result of reduced cardiovascular disease.

Issues faced by friends and family of the suicidal

Posted: 21 Oct 2011 04:47 AM PDT

A study focusing on the family and friends of people who were suicidal has highlighted the main challenges they face when trying to judge whether a person is in danger and decide what they should do about it.

Poor cerebral cortex functions leads to more impulsive behavior

Posted: 21 Oct 2011 04:46 AM PDT

If the front part of the cerebral cortex is less active then people have less control over their social behavior and automatically follow their inclinations more. The research was the first to make use of magnetic stimulation (TMS) to suppress this part at the front of the prefrontal cortex. During TMS a changing magnetic field on the head temporarily influences the activity of the underlying part of the brain.

Likely reason for neurological injuries in children

Posted: 21 Oct 2011 04:45 AM PDT

Scientists have discovered new pathways of neurons migrating from lateral ventricles to the prefrontal cortex. The work done in children at early ages reveals a new cell pathway which may increase the amount of neurons in regions important for cognitive tasks, emotional processes and spatial perception.

Digital worlds can help autistic children to develop social skills

Posted: 21 Oct 2011 04:45 AM PDT

The benefits of virtual worlds can be used to help autistic children develop social skills beyond their anticipated levels, suggest early findings from new research. Researchers have developed an interactive environment which uses multi-touch screen technology where virtual characters on the screen demonstrate gestures and show children's actions in real time.

Seeking answers to treat the fear of childbirth

Posted: 21 Oct 2011 04:45 AM PDT

One of five Norwegian women suffers from a fear of childbirth. This fear increases health risks to mother and child, results in more planned and emergency Caesarean sections and consumes substantial resources at hospitals. Now researchers are looking for the causes.

First Ebola-like virus native to Europe discovered

Posted: 20 Oct 2011 04:18 PM PDT

Researchers have discovered a new Ebola-like virus -- Lloviu virus -- in bats from northern Spain. Lloviu virus is the first known filovirus native to Europe. Filoviruses, which include well-known viruses like Ebola and Marburg, are among the deadliest pathogens in humans and non-human primates, and are generally found in East Africa and the Philippines. The findings thus expand the natural geographical distribution of filoviruses.

African-Americans more likely to donate kidney to family member

Posted: 19 Oct 2011 11:57 PM PDT

Family matters, especially when it comes to African-Americans and living kidney donation. Researchers found that African-Americans donate almost exclusively to family members for living kidney transplants, as compared to Caucasians.

Hospital heart attack death rates improving but very elderly still missing out

Posted: 19 Oct 2011 11:56 PM PDT

Despite substantial reductions in the hospital death rates for heart attack patients across all age groups, there are still worrying inequalities in heart attack management for the elderly, a new study has shown.

Sterilization method for dialyzer membrane used for hemodialysis associated with increased risk of developing low platelet counts

Posted: 19 Oct 2011 11:56 PM PDT

Patients who had undergone hemodialysis using dialyzers that had been sterilized with the use of electron beams were more likely to develop thrombocytopenia (an abnormally low platelet count in the blood, associated with increased risk of bleeding), according to a new study.

Most hospital readmission prediction models perform poorly, study finds

Posted: 19 Oct 2011 11:56 PM PDT

A review and analysis of 26 validated hospital readmission risk prediction models finds that most, whether for hospital comparison or clinical purposes, have poor predictive ability, according to a new study.

Adult congenital heart patients with highest surgery costs more likely to die in hospital, study finds

Posted: 19 Oct 2011 11:56 PM PDT

Adult congenital heart surgery patients who incur the top 10 percentile of hospital charges are much more likely to die in the hospital than patients whose care costs less, according to a new study. Adult congenital heart patients are more likely to use more resources at pediatric hospitals if they have these factors: surgical complexity, government insurance, DiGeorge syndrome, weekend admission or depression. Adults represent 3.1 percent of congenital heart surgery admissions to pediatric hospitals, but only account for 2.2 percent of total hospital charges.

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