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Do They Still Make Wite-Out? 'Cause You Could Use That
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It was one of those things we grew up with: If you want to whiten your teeth, brush with baking soda. Some people would use salt, too. Now, we're told that those are really bad ideas. Salt does nothing, and baking soda's an abrasive. Use a regular toothpaste instead. Now you know. (CNN)
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