Caffeine-loaded black drinks apparently dominated the heartland of America earlier than once thought, but they weren't coffee or soda.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/RQz06C5au4g" height="1" width="1"/>
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Caffeine-loaded black drinks apparently dominated the heartland of America earlier than once thought, but they weren't coffee or soda.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/RQz06C5au4g" height="1" width="1"/>