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SEATTLE -- When assessing the left ventricle in children, real-time three-dimensional echocardiography offers the best combination of accuracy and efficiency, according to a small trial reported here.

LYON, France -- When multiple sclerosis (MS) strikes in childhood, it develops more slowly than adult-onset disease, but still leads to irreversible disability at a younger age, researchers here found.

WASHINGTON -- Most of the nearly 800 brands of sunscreen on the U.S. market either fall short of their claims or contain unsafe ingredients, according to an environmental watchdog group here.

UPPSALA, Sweden -- Osteoporotic fracture may be less common among men than women, but a lifetime of physical activity appears to be just as important in reducing this risk, researchers found.