Billy Price might have had 'genetic predisposition' to blood clot: Dr. Marc Siegel
Ó£ÌÒÊÓÆµ medical contributor Dr. Marc Siegel weighs in on Billy Price, a veteran NFL center, announcing his retirement after undergoing emergency surgery last month to remove a blood clot on 'Ó£ÌÒÊÓÆµ Live.'