Top stories in health and medicine, March 21, 2013

Brought to you by MedPage Today.

1. PFO Closure Still an Open Question. The negative results of three studies should have closed the book on patent foramen ovale (PFO) closure in cryptogenic stroke, but somehow the book is still being picked up.

2. Norovirus Main Gastroenteritis Culprit in Kids. Norovirus far surpasses rotavirus as the primary cause of acute gastroenteritis in children younger than 5 following the successful reintroduction of rotavirus vaccines.

3. Sugary Drinks Add to Global Death Rates. That pick-me-up sugary soda may ultimately put you 6′ under, given findings that linked nearly 200,000 deaths worldwide in 2010 with sugar-sweetened beverages.

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