Cranberries - like medicine, but taste better

The same mechanism that helps cranberries prevent urinary tract infections also helps them foil ulcers. Just as cranberry juice prevents the E. coli bacteria from sticking to the walls of your urinary tract, this tasty beverage also works against Heliobacter pylori, the bacteria responsible for ulcers. If H. pylori can't stick to the mucus lining your stomach, it can't colonize there.

Even if you already have an H. pylori infection, cranberry juice may help. In a Chinese study, people who had H. pylori infections drank either two juice boxes of cranberry juice or a placebo beverage each day for 90 days. At the end of the study, those drinking the cranberry juice had significantly more negative test results for the infection.

Smile if you like cranberries: A Japanese study found that cranberries stop the oral streptococci strains of bacteria from sticking to the surface of your teeth. This slows the development of dental plaque and tooth decay. Researchers at the U of Rochester also found that cranberry juice effectively countered oral bacteria. They credited quercetin, as well as proanthocyanidins, for cranberry juice's success.

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