Culture

Scientists from Royal Holloway University have found that when bees are exposed to low levels of neonicotinoid pesticides - which do not directly kill bees - their behaviour changes and they stop working properly for their colonies.

The results showed that exposure to pesticides at levels bees encounter in the field, has subtle impacts on individual bees, and can eventually make colonies fail.

This discovery provides an important breakthrough in identifying the reasons for the recent global decline of bees, a trend that has baffled many experts worldwide.

Obesity increases a chronic kidney disease patient's risk of developing kidney failure.

Obesity suppresses an important cellular process that prevents kidney cell damage, according to a study appearing in an upcoming issue of the Journal of the American Society of Nephrology (JASN). The findings suggest that restoring the process could protect the kidney health of obese individuals.

Obesity increases a chronic kidney disease patient's risk of developing kidney failure, but the mechanism underlying this connection has remained unclear.

SAN FRANCISCO – Oct. 4, 2013 – Healthcare workers' use of disposable gowns and gloves upon entering all patient rooms on an intensive care unit (ICU), versus only in rooms on standard isolation protocol, helped reduce patient acquisition of methicillin-resistant Staphylococcus aureus (MRSA) by approximately 40 percent, according to new research co-led by the University of Maryland School of Medicine and the Yale New Haven Health System Center for Healthcare Solutions.

The wearing of gloves and gowns by health care workers for all intensive care unit (ICU) patient contact did not reduce the rate of acquisition of a combination of the bacteria methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococcus (VRE), although there was a lower risk of MRSA acquisition alone, according to a study published online by JAMA. The study is being released early to coincide with its presentation at IDWeek 2013.

SAN FRANCISCO – When patients with HIV are hospitalized for other conditions, such as a heart problem, surgery or complications of diabetes, mistakes are often made involving their complicated anti-retroviral therapy (ART) regimens. But those errors are more than twice as likely to be corrected when patients are seen by an infectious diseases (ID) physician, suggests a Cleveland Clinic study being presented at IDWeek 2013™ today.

Boston, Mass., Oct. 3, 2013 – In a paper in Cell Stem Cell, a team led by researchers in the Boston Children's Hospital's Stem Cell Transplantation Program reports a new approach for turning induced pluripotent stem cells (iPSCs) into hematopoietic stem and progenitor cells for in vivo disease modeling.

The ability to make induced pluripotent stem cells (iPSCs) from mature cells in the body holds great potential for improved drug screening, disease modeling, and medical treatments for numerous conditions. Establishing well-characterized panels of iPSC lines that reflect the diversity of the human population and include samples from patients with a wide range of diseases will be key to tapping into the potential of iPSCs.

America's communities are becoming increasingly diverse, but there are still important concerns about racial and ethnic integration in the future, according to researchers.

A new US2010 report shows whites, blacks, Hispanics and Asians are increasingly sharing American communities, said Barry Lee, professor of sociology and demography, Penn State.

New Rochelle, NY, October 1, 2013—People suffering from post-traumatic stress disorder (PTSD) face a greater risk of cardiovascular disease and death. A new study involving a comprehensive review of the medical literature shows that PTSD also increases an individual's risk of metabolic syndrome. What links these two disorders is not clear, according to a study published in Metabolic Syndrome and Related Disorders.

New Haven, Conn. – A Yale-led study has identified a gene expression profile that can predict outcomes and lead to better treatment for one of the most lethal lung diseases, idiopathic pulmonary fibrosis (IPF). The study appears in Science Translational Medicine.

Technology, not uninsured patients, likely explains the steep rise in the cost of hospital care in Texas in recent years, according to Vivian Ho, the chair in health economics at Rice University's Baker Institute for Public Policy, a professor of economics at Rice and a professor of medicine at Baylor College of Medicine. Her findings were reported in an article appearing in the Oct. 1 online edition of the journal Healthcare Management, Practice and Innovation.

CORVALLIS, Ore. – A new analysis by Oregon State University researchers of California's mental health system finds that comprehensive, community-based mental health programs are helping people with serious mental illness transition to independent living.

Published in the October issue of the American Journal of Public Health, this study has important implications for the way that states finance and deliver mental health programs, and speaks to the effectiveness of well-funded, comprehensive community programs.

Bethesda, MD -- Radiofrequency ablation (RFA) leads to remission for 91 percent of patients with dysplastic Barrett's esophagus, according to new figures published in Clinical Gastroenterology and Hepatology, the official clinical practice journal of the American Gastroenterological Association. Dysplastic Barrett's esophagus is the most serious grade of the condition in which precancerous cells are detected in the esophagus.

The researchers argue that more trials comparing the effectiveness of exercise and drugs are urgently needed to help doctors and patients make the best treatment decisions. In the meantime, they say exercise "should be considered as a viable alternative to, or alongside, drug therapy."