IL-6 and Cardiovascular Disease

So this is just a question I wanted to throw out there for anyone to answer. While I was reading the article that discussed the relationship of body fat mass and distribution to markers of chronic inflammation, it was stated that IL-6 has been shown to predict cardiovascular disease. I've heard this before, but I was wondering if anyone knew how this correlation was found and how this prediction works. I know that IL-6 is a proinflammatory cytokine, but Im still unclear on its relationship to cardiovascular disease.

(More?) Pigs Brain

Last week we talked about how the human brain doesn't have an immune response and white cells can recognize the brain as "foreign" so just came across this article and thought it was interesting...

http://www.nytimes.com/2008/02/05/health/05pork.html?pagewanted=1&_r=1&hp