A bottle of beer, seen on the the roof of a car at a DUI checkpoint in Miami, can create snags for health insurance coverage of accident care in some states. Joe Raedle/Getty Images hide caption

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People who are interested in and paying close attention to each other begin to speak more alike, a psychologist says. iStockphoto.com hide caption

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Staying fit and eating well can help cancer survivors, too, a review of the latest evidence shows. Lucy Pemoni/AP hide caption

itoggle caption Lucy Pemoni/AP

Here goes nothing. A big jump over the Zambezi River in Africa. James Whatley/Flickr hide caption

itoggle caption James Whatley/Flickr