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BOSTON -- Automated external defibrillators, stationed in public places to resuscitate patients in cardiac arrest, had a 20% chance of being recalled for potential malfunction over the past decade, researchers reported.

GAINESVILLE, Fla. -- When it comes to antiepileptic drugs for pregnant women with epilepsy, Depakote (valproate) should be at the bottom of the list, researchers here reported.

NEW HAVEN, Conn. -- Prolonged exposure to ultrasound in the womb causes brain abnormalities in fetal mice -- a finding that raises a cautionary flag about the frivolous use of fetal ultrasound, even though the study is not applicable to humans.

CLEVELAND -- For heart transplant patients, a multidectector spiral CT image could substitute for the annual coronary angiography they need.

COLUMBUS, Ohio -- The dangers of moving stairs to children can be added to escalating credit card bills as a risk of shopping, according to researchers here.

COLUMBUS, Ohio -- America's grassy yards remain a dangerous jungle for children, with the rate of lawnmower-caused lacerations, burns, fractures, sprains, strains and amputations unaffected by the introduction of design safety standards.

BOSTON -- Women whose mothers took the synthetic estrogen DES (diethylstilbestrol) have a sharply increased risk of breast cancer once they are 40 or older, according to researchers here.

NEW YORK -- The summer is barely half over, and much of the country has had enough-enough of heat-related illness, enough heat-related power outages, and enough heat-related misery from a sweltering wave of extraordinary heat that broke records from coast to coast.

SAN FRANCISCO -- Women with a strong genetic predisposition to rheumatoid arthritis aren't exacerbating the problem by smoking, surprised investigators here discovered.

NEW YORK -- Paternal age is a significant risk factor for miscarriage, according to a case control study of almost 14,000 pregnancies. It showed that men start to go downhill after 35.

PAMPLONA, Spain -- Severe obstructive sleep apnea more than doubled the risk of a first ischemic stroke in persons over age 70, researchers here reported.

BALTIMORE -- Chemicals in curry and onions may put the heat on colorectal cancer, helping to reduce both the size and number of adenomas in patients genetically prone to them.

TORONTO -- Most out-of-hospital cardiac arrests end on the scene, and investigators here have devised a simple clinical prediction rule to help emergency workers know when to stop.

CHICAGO -- High blood pressure appears to impair older patients' ability to walk, and the reason may be more than just peripheral arterial disease.

MAINZ, Germany -- The success of chemoembolization tumor debulking is a better indicator of which liver cancer patients will do well with a transplant than the current standard of size and number of lesions, according to investigators here.

HAMILTON, Ontario -- When women are screened for domestic violence, they'd rather have it done via a private questionnaire than in a face-to-face interview, investigators here found.

ORLANDO -- A mixture of radiation beams -- carefully planned using a sophisticated computer modeling system -- can reduce the dose needed to treat breast tumors, researchers reported here.

BOSTON -- Decreasing tuberculosis treatment to two months from six months and improving case detection would theoretically double or triple the expected decline in TB incidence and mortality, according to a mathematical model.