Traffic can clog your heart

Some bad news for those who were contemplating a refrigerator box under a Los Angeles freeway for their next home. Apparently it isn't healthy to live near a highway.

Researchers from USC and UC Berkeley, who clearly have too much time and probably foundation money on their hands, found a link between automotive exhaust and the progression of atherosclerosis -- the thickening of the walls of your arteries. The study was published in the journal PloS ONE.