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Brush less! According to a recent survey conducted by the American Dental Association (ADA), "90 percent of respondents mistakenly believe they should brush after every meal when the ADA recommends only twice a day." Brushing too often can erode the enamel on your teeth, making them weaker, more prone to cavities, and less white. Be especially cautious after eating acidic foods such as tomatoes or citrus fruit, as brushing immediately after can push the acid deeper into your teeth, causing further erosion.
To keep your pearly whites, well, white, the ADA recommends waiting 30 minutes after drinking OJ or eating other acidic foods to brush your teeth. In a hurry? Chew a piece of sugar-free gum instead. The xylitol has been shown to reduce acid on teeth.
Find out when the best strategy is to ignore your instincts
The Most Counterintuitive Health and Beauty Tips
The 10 Most Counterintuitive Health and Beauty Tips