Millions of people pack their bags and prepare for visits to family and friends for the holidays. Whether driving or flying, hours of sitting still put people at risk for deep vein thrombosis (DVT), a blood clot that can become deadly. Here's what travelers should watch out for.
Hours of travel put people at risk for dangerous clots
Read or Share this story: http://www.wcnc.com/story/news/health/2014/07/04/11073780/