http://articles.mercola.com/sites/articles/archive/2008/01/02/health-advisory.aspxResearchers at the Mayo Clinic say they've discovered a possible association between valvular heart disease and concomitant use of prescription diet pills containing fenfluramine and phentermine, dubbed "fen-phen." The data are to be publishedenCommunityServer 2008.5 SP1 (Build: 31106.3070)