Body

Kihansi spray toads make historic return to Tanzania

In a bold effort to save one of the world's rarest amphibians from extinction, one hundred Kihansi spray toads have been flown home to Tanzania after being painstakingly reared at the Bronx Zoo and The Toledo Zoo working in close partnership with the Tanzanian government and the World Bank.

Being married has often been associated with improving people's health, but a new study suggests that having that long-term bond also alters hormones in a way that reduces stress.

Unmarried people in a committed, romantic relationship show the same reduced responses to stress as do married people, said Dario Maestripieri, Professor in Comparative Human Development at the University of Chicago and lead author of the study, published in the current issue of the journal Stress.

Researchers have made a discovery that could lead to a brand new class of drugs to treat chronic pain caused by inflammatory conditions such as arthritis and back pain without numbing the whole body.

Adult stem cells that are vital for airway repair in the lung but that persist in areas where pre-cancerous lesions are found are associated with a poor prognosis in patients who develop cancer, even those with early stage disease, researchers at UCLA's Jonsson Comprehensive Cancer Center have found.

Can the International Science Community Find the Proper Balance Between Cooperation and Competition?

Science has a long history of crossing borders, bridging cultures and balancing the public good with private gain. That tradition, the focus of the upcoming Kavli Prize Science Forum, may face a more challenging future.

Cooperation comes naturally to science; or at least it should, as the big problems science is called upon to address – from climate change to pandemics – respect no boundaries. And science at its best is a group effort, inclusive and open.

Researchers from Mount Sinai School of Medicine have found that hospitalized patients with dysphagia, or difficulty swallowing, averaged a 40 percent longer hospital stay than patients without the condition. They also had a generally poorer prognosis. The research is published in the August issue of Archives of Otolaryngology–Head & Neck Surgery, one of the JAMA/Archives journals.

Copper deficiency diseases can be devastating. Symptoms can range from crippling neurological degeneration in Menkes disease – a classic copper deficiency disease – to brittle bones, anaemia and defective skin pigmentation in gastric bypass patients. Unfortunately, very little is known about how the body uses this essential nutrient.

ROCHESTER, Minn. -- Mayo Clinic investigators, with Belgian collaborators, have demonstrated that rationally "guided" human adult stem cells can effectively heal, repair and regenerate damaged heart tissue. The findings -- called "landmark work" in an accompanying editorial -- appear in today's Journal of the American College of Cardiology.

Ann Arbor, Mich.– The University of Michigan's program of full disclosure and compensation for medical errors resulted in a decrease in new claims for compensation (including lawsuits), time to claim resolution and lower liability costs, according to a study published Aug. 17 in the Annals of Internal Medicine.

American women who ate more protein-rich foods instead of red meat had a significantly lower risk of developing heart disease, according to a study reported in Circulation: Journal of the American Heart Association.

Eating more fresh red meat, processed red meat and high-fat dairy carried an increased risk of heart disease in the study. Women who had two servings per day of red meat compared to those who had half a serving per day had a 30 percent higher risk of developing coronary heart disease.

Antagonistic people, particularly those who are competitive and aggressive, may be increasing their risk of heart attack or stroke, researchers report in Hypertension: Journal of the American Heart Association.

Bariatric surgery appears to be associated with reduced use of medications and lower health care costs among patients with type 2 diabetes, according to a report in the August issue of Archives of Surgery, one of the JAMA/Archives journals.

The humanitarian organization Médecins Sans Frontières performed close to 20,000 procedures in resource-limited settings between 2001 and 2008 with an operative death rate of only 0.2 percent, suggesting surgical care can be provided safely in these circumstances with appropriate minimum standards and protocols, according to a report in the August issue of Archives of Surgery, one of the JAMA/Archives journals.

Individuals with psoriasis appear to have an increased risk of depression, anxiety and suicidality, according to a report in the August issue of Archives of Dermatology, one of the JAMA/Archives journals.

Regular beer—but not light beer or other types of alcohol—appears to be associated with an increased risk of developing psoriasis, according to a report posted online today that will be published in the December print issue of Archives of Dermatology, one of the JAMA/Archives journals.