Culture

Patients with chronic obstructive pulmonary disease (COPD) who use inhaled corticosteroids to improve breathing for more than six months have a 27 percent increased risk of bone fractures, new Johns Hopkins-led research suggests.

Because the research subjects were mostly men age 60 and older, the findings raise perhaps more troubling questions about the medication's effects on women with COPD, a group already at a significantly higher risk than men for fractures.

For years, it has been assumed that teachers—specifically math teachers—need to master the content they intend to teach. And the best way to do this is to take courses beyond that content.

Yet in a paper published today in the Education Forum of the journal Science, Dr. Brent Davis of the University of Calgary says research does not support this common belief. There is little evidence that advanced courses in mathematics contribute to more effective teaching.

PITTSBURGH, June 23 – Outpatient care for certain low-risk patients with pulmonary embolism (PE) can be safely and effectively used in place of inpatient care, according to a randomized, multi-center study in 19 emergency departments. The findings, published June 23 online in the Lancet, support current practice guidelines that are rarely followed by physicians.

Researchers at the Georgia Tech Research Institute (GTRI) have developed a novel iPhone application that may enable persons with Parkinson's disease and certain other neurological conditions to use the ubiquitous devices to collect data on hand and arm tremors and relay the results to medical personnel.

The researchers believe the application could replace subjective tests now used to assess the severity of tremors, while potentially allowing more frequent patient monitoring without costly visits to medical facilities.

High levels of "good" cholesterol (HDL cholesterol) are associated with a decreased risk of coronary artery disease (CAD) — a disease of the major arterial blood vessels that is one of the major causes of heart attack and stroke. This suggests that therapeutics that increase HDL levels could be clinically useful. However, such therapies have not yielded clear-cut decreases in disease, indicating that the beneficial effects of HDL are likely not related simply to its abundance.

Like diamonds, sugar crystals ideally are very pure and low in color. Now studies led by U.S. Department of Agriculture (USDA) chemist Gillian Eggleston have provided a better understanding of the source of undesirable color in factory sugar.

Eggleston works in the Agricultural Research Service (ARS) Commodity Utilization Research Unit in New Orleans, La. She conducted the studies with Barbara Muir of the Sugar Milling Research Institute in Durban, South Africa. ARS is USDA's chief intramural scientific research agency.

EAST LANSING, Mich. — Peer influence and low self-control appear to be the major factors fueling juvenile cybercrime such as computer hacking and online bullying, according to a new study led by a Michigan State University criminologist.

Thomas Holt, assistant professor of criminal justice, said the findings reinforce the need for parents to be more aware of their children's friends and Internet activities.

"It's important to know what your kids are doing when they're online and who they are associating with both online and offline," Holt said.

High-tech training may trump tax breaks for creating more jobs and improving a state's economy, according to a team of economists.

"We found that lower state taxes were not statistically associated with a state's economic performance," said Stephan Goetz, professor of agricultural economics and regional economics, Penn State. "The tax climate was not linked to either growth or income distribution."

Van Nuys, CA – June 23, 2011 – In a case study that illustrates the need for people with diabetes to be cautious of foot injuries and to protect themselves from pets, a woman with numbness in her feet caused by diabetic neuropathy slept through a traumatic episode in which her Jack Russell terrier chewed off part of her slightly infected big toe, according to an article published in this month's issue of the Journal of the American Podiatric Medical Association.

In a series of three separate studies looking at how changes in multiple dietary and other lifestyle factors relate to long-term weight gain, Harvard School of Public Health (HSPH) researchers found that modest changes in specific foods and beverages, physical activity, TV-watching, and sleep duration were strongly linked with long-term weight gain. Changes in diet, in particular, had the strongest associations with differences in weight gain.

The study appears in the June 23, 2011, issue of the New England Journal of Medicine.

Heart bypass surgery is considered the gold standard for most patients with left main coronary artery disease, one of the most serious types of heart disease and one that affects thousands.

But a new UCLA study reports favorable long-term outcomes for lower-risk patients with this condition who underwent angioplasty with medication-coated stents, rather than bypass surgery.

Patients with normal left ventricular function who undergo elective unprotected left main coronary artery (ULMCA) percutaneous coronary intervention (PCI) with drug-eluting stents (DES) had favorable outcomes according to new research. Results of the multicenter, retrospective study are reported in the June issue of Catheterization and Cardiovascular Interventions, a journal published by Wiley-Blackwell on behalf of The Society for Cardiovascular Angiography and Interventions (SCAI).

Pay plays a relatively small role in a nurse's decision to stay at or leave a job in a nursing home, according to new research from Rice University, the University of Pittsburgh and Baylor College of Medicine. In a comprehensive study of certified nursing assistants, researchers found that attitudinal factors such as job satisfaction and emotional well-being are better predictors of turnover in long-term care facilities.

BOULDER—Everything has its price, even the weather. New research indicates that routine weather events such as rain and cooler-than-average days can add up to an annual economic impact of as much as $485 billion in the United States.

The study, led by the National Center for Atmospheric Research (NCAR), found that finance, manufacturing, agriculture, and every other sector of the economy is sensitive to changes in the weather. The impacts can be felt in every state.

CHICAGO --- Caring for patients in a medical intensive care unit in a hospital and flying a 747 are complicated tasks that require tracking thousands of important details, some of which could get overlooked. That's why the pilot has a checklist and a copilot to make sure nothing slips by.