Coughs and what they mean

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. - Is a cough making your life miserable? Don't blame your body; coughing is the only way your lungs can expel an irritant. The key is to figure what's causing it and then to get your lungs the help they need.

original story: http://rss.cnn.com/~r/rss/cnn_health/~3/w3gfyNMlhVI/index.html