http://www.america.govscience/health/global-health--addressing-the-worlds-health-challenges/quiz/heart-disease-may-be-linked-to-a-variety-of-risk-factors-some-of-them-controllable-such-as-diet-and-lifestyle-others-uncontrollable-such-as-heredity-and-advancing-age.html.rss http://www.america.gov http://www.america.gov Thu, 03 Apr 2008 08:28:57 -0400 http://www.america.gov http://www.america.gov Thu, 03 Apr 2008 08:27:45 -0400