Medicine News and Research

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Scientists use non-invasive approach to watch chemo drug working inside the living body in real time

For many cancer patients, chemotherapy can be worse than cancer itself.

2 Feb 2009

Mental illness by itself does not predict future violent behavior

People with mental illness alone are no more likely than anyone else to commit acts of violence, a new study by UNC researchers concludes.

2 Feb 2009

Study finds vitamin use is highest in children who don't need them

A study by UC Davis researchers published in the February 2009 issue of the Archives of Pediatric & Adolescent Medicine has found that most of the healthy children and teenagers in the United States who are taking daily vitamin and mineral supplements probably don't need them.

2 Feb 2009

Teens who frequently go out with friends more likely to use marijuana

Marijuana use appears to have decreased among most European and North American adolescents between 2002 and 2006, and those who went out with friends on fewer evenings of the week were less likely to report using the drug, according to a report in the February issue of Archives of Pediatrics & Adolescent Medicine.

2 Feb 2009

Lots of TV during teens linked to depression in young adulthood

Exposure to more television and other electronic media during the teenage years appears to be associated with developing depression symptoms in young adulthood, especially among men, according to a report in the February issue of Archives of General Psychiatry.

2 Feb 2009

Study looks at mental illness and violent behavior

Violence appears to be more common among those with mental illness only when they also report substance abuse or dependence, according to a report in the February issue of Archives of General Psychiatry.

2 Feb 2009

Stat3 signaling tips the balance of immunity in favor of cancer

New research reveals how a cancer-associated protein enables tumor cells to evade the immune system by both suppressing antitumor influences and promoting tumor-enhancing conditions, in essence turning the immune system to the dark side of the force.

2 Feb 2009

Rhythm abnormality of unknown origin strongly predicts sudden death risk in heart disease patients

Researchers conducting a large, ongoing study to improve detection and prevention of sudden cardiac death were surprised to discover that a specific heart rhythm abnormality – idiopathic QT interval prolongation – increased risk five-fold among patients with coronary artery disease.

2 Feb 2009

Researchers investigate prenatal smoking link with bad behavior in kids

A Cardiff University research project has for the first time studied whether smoking during pregnancy can directly make children more likely to behave anti-socially.

2 Feb 2009

Researchers design re-engineered hospital discharge program to reduce rehospitalization

Researchers from Boston Medical Center (BMC) and Boston University School of Medicine (BUSM) have designed a process to minimize discharge failures.

2 Feb 2009

Risk of malpractice lawsuits in breast imaging overestimate by radiologists

Radiologists who work in breast imaging tend to overestimate their actual risk of medical malpractice lawsuits, according to a study performed at the University of Washington School of Public Health and Community Medicine in Seattle, WA.

2 Feb 2009

PET/CT may improve prognosis for patients with inflammatory breast cancer

In the largest study to date to evaluate fluorodeoxyglucose positron emission tomography combined with computed tomography (FDG-PET/CT) in the initial staging of inflammatory breast cancer (IBC), researchers were able to identify the precise location and extent of metastasis (spread of disease), offering the potential for a better prognosis for patients with this rare, but aggressive form of breast cancer.

2 Feb 2009

People without heart disease symptoms should use caution in obtaining cardiac imaging exams

At the radiation dose levels used in cardiac imaging exams, such as cardiac CT or nuclear medicine scans, the risk of potentially harmful effects from ionizing radiation are low.

2 Feb 2009

Sedative dexmedetomidine may offer advantages over agents often used for sedation in ICU

Use of the sedative dexmedetomidine for critically ill patients resulted in less time on a ventilator and less delirium compared to patients administered a more commonly used drug, according to a study in the February 4 issue of JAMA, the Journal of the American Medical Association.

2 Feb 2009

Improved strategies to tackle ghostwriting in the medical literature

Better strategies to tackle ghostwriting in the medical literature are the subject of a debate by leading authors in next week's issue of the open-access journal PLoS Medicine.

2 Feb 2009

A framework for major depressive disorder

Genes, psychological adversity in childhood, and recent or ongoing psychological stress may combine to cause major depression, write Dr. Sanjay Mathew and colleagues from Mount Sinai School of Medicine in New York in a review published in CMAJ.

2 Feb 2009

Gene expression signature associated with survival in advanced ovarian cancer

A new study published this week in the open-access journal PLoS Medicine identifies molecular pathways associated with outcomes in ovarian cancer.

2 Feb 2009

Combined measures of maternal drinking can predict resulting problems in children

While many people are aware that drinking during pregnancy can lead to a range of Fetal Alcohol Spectrum Disorders (FASDs), including the serious Fetal Alcohol Syndrome (FAS), linkages between maternal-drinking measures and child outcomes have been inconsistent.

2 Feb 2009

Cell-building discovery offers great potential for basic cell biology, drug and tissue research

Brown University biomedical engineers can now grow and assemble living microtissues into complex three-dimensional structures in a way that will advance the field of tissue engineering and may eventually reduce the need for certain kinds of animal research.

2 Feb 2009

Vitamin and mineral supplement use high among U.S. children and teens

A large number of U.S. children and teens age 2 to 17 appear to use vitamin and mineral supplements, although most may not need them, according to a report in the February issue of Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals.

2 Feb 2009