Stress Can Harm Your Heart, But Pets Can Helphttp://articles.mercola.com/sites/articles/archive/2002/10/09/stress-pets.aspxSport and arguing both put stress on your heart, but fighting is more strenuous for your heart than working out. The reason for this, according to the study, is that emotions from the argument can elevate your blood pressure even after the argument orenCommunityServer 2008.5 SP1 (Build: 31106.3070)