CDC: Higher cancer risk for kids living near busy roads

CDC review of seven studies involving over 8,000 children suggests a link between childhood leukemia and exposure to high levels of auto exhaust. Direct cause-effect needs more study, researchers say.

Read more here: http://www.usatoday.com/story/news/nation/2014/03/20/childhood-leukemia-linked-to-heavy-traffic-exposure-cdc-says/6658919/