Dangerous Dust: Government Pushes to Improve Workplace Safety

Workers who breathe in silica dust have twice the normal risk of lung cancer and often develop other lung-related diseases such as asthma. � � � �

Source: http://feeds.nbcnews.com/c/35002/f/663303/s/390114f1/sc/14/l/0L0Snbcnews0N0Chealth0Chealth0Enews0Cdangerous0Edust0Egovernment0Epushes0Eimprove0Eworkplace0Esafety0En72121/story01.htm

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