These 10 cities had the highest levels of year-round pollution, according to the American Lung Association.
|Marissa Mayer's payday: 4 years, $219 million|
|Venezuela: McDonald's forced to halt Big Mac sales|
|Can Waiting Until 70 to Claim Social Security Be a Big Blunder?|
|Kristen Bell releases first photos from her $142 wedding to Dax Shepard|
|'Shark Tank' star Daymond John: High-tech hearing aids changed my life|