Studded tires may cause heart, lung damage.MSNBC (1/7, Nierenberg) reports that "drivers who hit the road in winter with studded tires" could "be harming their hearts and lungs," according to a study published in the journal Chemical Research in Toxicology. Investigators "collected airborne particles generated as studded tires rolled over a road simulator at about 40 miles an hour," then added the particles "to a dish containing human white blood cells." The investigators "found that important chemical markers changed after being exposed to road debris -- higher levels of three proteins known to increase inflammation and lower amounts of seven proteins that can protect against it."
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