Top stories in health and medicine, August 27, 2012

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1. Stroke: New ‘Clot-Pluckers’ Safe, Effective. In separate trials, two investigational thrombectomy devices appear to do a better job of restoring blood flow to the brains of patients with ischemic stroke than the currently approved device — and in one study use of the novel device reduced mortality.

2. Size Miscues Apply Only to Self in Anorexia. Anorexic patients think they are larger than they actually are, but researchers found that they correctly assessed the dimensions of others.

3. Heavy Kids at Risk for Gallstones. Children and teens who are overweight or obese — and girls in particular — are at risk for developing gallstones.