CHICAGO -- The use of drug-eluting stents was off-label, or for untested purposes, for at least half the Americans who received them in 2004 and 2005, and those patients fared worse than those who met the approved indications.

LEXINGTON, Ky. -- For secondary prevention of cardiovascular disease, a single 81 mg aspirin seems to be the superior approach.

NEW YORK -- Rapid repair of a torn rotator cuff is the best guarantee of a return to full mobility with minimal loss of arm strength, orthopedic researchers reported.

SAN DIEGO -- Those who battled the FDA for non-prescription status of Plan B (levonorgestrel) apparently won only half the struggle. Prescription or nor, Plan B can be hard to get.

SHREVEPORT, La. -- Lipid-lowering statins cut the relative risk of lung cancer 55%, according to a retrospective study.

DALLAS -- New evidence-based guidelines for treatment of intracerebral hemorrhage suggest reserving surgery for bleeds greater than 3 cm in deteriorating patients or when there is brainstem compression.

NEW YORK -- Extensive television viewing, widespread among young children, can carry over into adolescence and translate into learning and attention problems.

LUCERNE, Switzerland -- Percutaneous coronary intervention appears superior to medical therapy for asymptomatic ischemia after a heart attack even though it shows no such benefit for symptomatic post-MI angina, found Swiss researchers.

DURHAM, N.C. -- Children often get past traumatic events without subsequently encountering posttraumatic stress disorder, researchers here reported.

PITTSBURGH -- Teenagers who believe that wealthy, successful people smoke are more likely to become smokers themselves, researchers here reported.

COLUMBUS, Ohio -- Boys with Duchenne muscular dystrophy are able to walk more than three years longer if they take daily corticosteroids, according to researchers here.

SEATTLE -- Few geriatricians appear willing to try newer medications to treat chronic constipation in older adults, an informal survey here showed.

SEATTLE -- Hospitalized older patients spend too long flat on their back, a situation prompted at least in part by a hospital culture that discourages mobility, researchers said here.

SEATTLE -- Opioid-induced constipation in advanced cancer is relieved for more than half of patients within four hours by a subcutaneous injection of methylnaltrexone, researchers here reported.

SEATTLE -- Giving older type 2 diabetic patients a pedometer and a goal to meet may be enough to get them moving, researchers said here.

BETHESDA, Md. -- About one American in 10 has had a problem with legal or illegal drug use, according to researchers here.

SEATTLE -- Sex remains an important part of life for many older Americans even as they develop more sexual problems as they age, researchers here reported.

SAN FRANCISCO -- Reducing levels of one of the proteins involved in Alzheimer's disease appears to prevent some of memory loss and learning difficulties -- at least in experimental mice.

BELFAST -- Some men with diabetes have sperm that exhibit greater DNA damage than non-diabetics' sperm, researchers here said.

SEATTLE -- Elderly trauma patients are at a disproportionate mortality risk from even minor abdominal organ injuries, researchers reported here.