There are new studies everyday and since February is National Heart Health Month, this might be of interest to you if you are at risk for heart disease. As the article points out not all "vegetarian diets" are healthy, they can still be high in saturated fat (solid at room temperature) and sodium (salt). You might not be ready to completely give up all animal products, but increasing your intake of fruits, vegetables and whole grains has health benefits for all.
Vegetarians Have Lower Heart Disease Risk, Study Finds
http://abcnews.go.com/blogs/health/2013/02/04/vegetarians-have-lower-heart-disease-risk-study-finds/