Abnormal Heart Rhythms

Vitamin D levels linked to weight-loss surgery outcomes

Low levels of vitamin D have long been identified as an unwanted hallmark of weight loss surgery, but now findings of a new Johns Hopkins study of more than 930,000 patient records add to evidence that seasonal sun exposure—a ...

Dec 22, 2015
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The case for testing drugs on pregnant women

When the heart stops beating, minutes matter. With every minute that passes before a rhythm is restored, a patient's odds of survival plummet. Which is why Anne Lyerly was surprised when, one night 20 years ago, she got a ...

Nov 24, 2015
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Illuminating depression's circuitry

In a hospital room at UC San Francisco's Parnassus campus, a patient anticipates having an epileptic seizure. A dozen wires trail from her gauze-wrapped head to a bedside monitoring device. Hidden beneath gauze and bone lies ...

Dec 03, 2015
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Memory replay prioritizes high-reward memories

Why do we remember some events, places and things, but not others? Our brains prioritize rewarding memories over others, and reinforce them by replaying them when we are at rest, according to new research from the University ...