Vehicle emissions linked to higher Cholesterol

I found this article, while definitely not for the layperson, very interesting.:

Researchers have found that breathing motor vehicle emissions triggers a change in high-density lipoprotein (HDL) cholesterol, altering its cardiovascular protective qualities so that it actually contributes to clogged arteries.

This study will be published in the June edition of Arteriosclerosis, Thrombosis and Vascular Biology and can be found at Science Daily right now.