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9:53 PM | February 20, 2013
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  What does tooth decay have to do with rats? For Neandertals, tooth decay was a rare occurance. Research suggests that tooth decay became more prominent with the development of agriculture. Dr. Ordaz, Stanford School of Medicine, and colleagues analyzed common strains of bacteria (Streptococcus mutans) responsible for causing cavities. They found that the bacteria began expanding exponentially around 10,000…

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