Zoologists: Lusty voles, mindless of danger, mate like rabbits

Forgetful Casanovas are lucky in love.

At least that’s how University of Florida researchers interpret the results of new research on the mating habits and nervous systems of prairie voles. An article about the research, which examined both the voles’ behavior and their brains, appears in this week’s edition of the Proceedings of the National Academy of Sciences.

Lessons from evolution applied to national security and other threats

DURHAM, N.C. – Could lessons learned from Mother Nature help airport security screening checkpoints better protect us from terror threats?

The authors of a new book, Natural Security: A Darwinian Approach to a Dangerous World, believe they can -- if governments are willing to think outside the box and pay heed to some of nature’s most successful evolutionary strategies for species adaptation and survival.

Pancreatic cancer: The smaller the tumor, the better your chances, study shows

The odds of surviving cancer of the pancreas increase dramatically for patients whose tumors are smallest, according to a new study by researchers at Saint Louis University and the M.D. Anderson Cancer Center in Houston – the first study to specifically evaluate the link between tumor size and survival rates for one of the most common and deadly cancers.

Elephant engineers

Diuretics comparable to or better than other hypertension drugs in patients with metabolic syndrome

Use of calcium-channel blockers, alpha-blockers or angiotensin-converting enzyme (ACE) inhibitors appears to offer no advantages in improving clinical outcomes compared with use of diuretics when treating hypertension among individuals with metabolic syndrome, according to a report in the January 28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals. This appears particularly true for black patients.

Study finds increasing rates of diabetes among older Americans

The annual number of Americans older than 65 newly diagnosed with diabetes increased by 23 percent between 1994 to 1995 and 2003 to 2004, according to a report in the January 28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

Participants in studies used as basis for medicare decisions differ from beneficiaries

The clinical trials used by Medicare for making decisions about coverage for cardiovascular products or services include participants who differ from Medicare beneficiaries in age, sex and country of residence, according to a report in the January 28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

Snorers appear more likely to develop chronic bronchitis

Frequent snoring appears to be associated with the development of chronic bronchitis, according to a report in the January 28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

Chronic bronchitis involves inflammation of the lower airways accompanied by a persistent cough and the production of mucus or phlegm, according to background information and the article. Snoring appears more common among individuals with bronchitis.

Sedentary lifestyles associated with accelerated aging process

Individuals who are physically active during their leisure time appear to be biologically younger than those with sedentary lifestyles, according to a report in the January 28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.

Drug helps brain tumor patients live longer

ST. PAUL, Minn. – People who receive high doses of the chemotherapy drug methotrexate to treat a certain type of brain tumor appear to live longer than people receiving other treatments, according to research published in the January 29, 2008, issue of Neurology®, the medical journal of the American Academy of Neurology.