Presidential hopeful Isaiah Austin diagnosed with the syndrome . Marfan syndrome is a rate genetic disease that makes connective tissue weak . They told me my arteries and my heart are enlarged , and that if I overwork myself or push myself , my heart could rupture . '' Defective gene can cause excessive bone loss , kidney problems .
Presidential hopeful Isaiah Austin diagnosed with the syndrome . Marfan syndrome is a rate genetic disease that makes connective tissue weak . Defective gene can cause excessive bone loss , kidney problems .