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(Duke University Medical Center) The Food and Drug Administration Modernization Act, designed to stimulate more drug safety studies in children, has resulted in more than 130 label changes since its inception nearly six years ago, according to researchers at Duke Children's Hospital.

(Duke University Medical Center) Data from a Phase II study of an investigational drug designed to block formation of blood clots show potential for added protection against a second heart attack or stroke among patients who are already taking state-of-the-art prevention therapy, according to researchers at the Duke Clinical Research Institute.

(Vanderbilt University Medical Center) New research may explain why breast cancer tends to be more aggressive in women with denser breast tissue.Breast cancer cells grown in dense, rigid surroundings step up their invasive activities, Vanderbilt-Ingram Cancer Center investigators report in the Sept. 9 issue of Current Biology.

(Public Library of Science) Sanjiv Gambhir (Stanford University Medical Center) and colleagues describe a linear one-compartment mathematical model that allows estimation of minimal detectable tumor sizes based on blood tumor biomarker assays.

(Vanderbilt University Medical Center) Ninety years after the sweeping destruction of the 1918 flu pandemic, researchers at Monroe Carell Jr.

Children's Hospital at Vanderbilt have recovered antibodies to the virus -- from elderly survivors of the original outbreak.

In addition to revealing the surprisingly long-lasting immunity to such viruses, these antibodies could be effective treatments to have on hand if another virus similar to the 1918 flu breaks out in the future.

(Duke University Medical Center) Researchers at Duke University Medical Center and at the National Institute of Environmental Health Sciences have shown how broken sections of chromosomes can recombine to change genomes and spawn new species.

(Ohio State University Medical Center) Data from 260 hospitals across the United States has led to the creation of a new method for physicians to more accurately determine the severity of heart failure in patients upon hospital admission, with a goal of reducing in-hospital mortality and more quickly identifying triage methods and treatment decisions.

The model is discussed in the July 29 issue of the Journal of the American College of Cardiology. The lead author is Dr.

William Abraham, director of cardiovascular medicine at Ohio State University Medical Center.

(Georgetown University Medical Center) The field of personalized cancer research and treatment grows with each day.

(Ohio State University) The air people breathe while walking in the park, working in the garden or shopping downtown may be unhealthy enough to seriously spike their blood pressure, a new study suggests.

Cardiovascular researchers at The Ohio State University Medical Center are the first to report a direct link between air pollution and its impact on high blood pressure, or hypertension.

If the results from these animal studies hold up, this could be important for human health.

(Duke University Medical Center) Male fruit flies missing a gene for one particular odor receptor become clueless in matters of love, scientists at Duke University Medical Center have discovered.