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ROCHESTER, Minn. -- Cellular telephones caused no interference in 300 separate tests conducted in 75 rooms in 11 patient-care areas at the Mayo Clinic, including telemetry-laden ICUs, researchers found. So a ban on cell phones there may be lifted.

SEATTLE -- Carotid stenting with embolic protection was as safe and effective in a real-world registry trial as it was in phase III trials that led to FDA approval, researchers said here.

PHILADELPHIA -- Nearly 80% of hospitalized children are medicated with drugs that have not been approved by the FDA for pediatric use, according to a study here.

MELBOURNE, Australia -- The persistent rhythmic motions of tooth brushing appear to have triggered seizures in patients with reflex epilepsy, researchers here reported.

ROCKVILLE, Md. -- More than 40,000 automatic external defibrillators in schools, health clubs, and other public sites have been recalled because of a potentially faulty low-battery signal, the FDA reported.

ROCKVILLE, Md. -- Although aspirin and NSAIDs such as ibuprofen can reduce the occurrence rate of colon cancer, they're not worth the increased risk of gastrointestinal side effects, said the U.S. Preventive Services Task Force.

SAN DIEGO -- Prophylactic surgery is the best bet for women at risk of endometrial and ovarian cancer because of Lynch syndrome, a researcher said here.

SAN DIEGO -- Adjuvant chemoradiation may benefit some women with advanced endometrial cancer, researchers said here.

SEATTLE -- Translaminar steroid injections into the cervical spine may help relieve chronic neck pain, according to a retrospective study.

SAN DIEGO -- There's more evidence that the expertise of a gynecologic oncologist gives women with ovarian cancer a survival advantage.

NEW YORK -- CT screening dramatically increased the number of small lung cancers detected and the rate of curative surgery, but mortality didn't change, according to researchers here.

SAN DIEGO -- Irrespective of their education and income, women don't seem to have much interest in their genetic risks of cancer, researchers said here.

Explain to interested patients that while flossing is recommended as part of good oral hygiene, it is not recommended as a way to reduce cardiovascular risk.

SAN DIEGO -- Ovarian cancer screening in a major randomized trial is leading to large numbers of biopsies that find a relatively low number of malignancies, researchers said here.

SEATTLE -- Chemoembolization for liver cancer may damage the hepatic artery but rarely enough to affect subsequent treatment, researchers said here.

STANFORD, Calif. -- Children with post-traumatic stress disorder, similar to adults, show physical changes in the brain, according to researchers here.

SEATTLE -- Endovascular repair of thoracic aortic aneurysms may carry substantially less risk of paraplegia and other poor outcomes than surgery, British researchers said here.

SEATTLE -- For eliminating small kidney tumors, percutaneous cryoablation appears to be as effective as laparoscopic cryoablation, and about 60% cheaper, researchers reported here.