Cranberry Caveat

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April 16, 2011

Cranberry juice may not be the preventive many of us thought-at least for urinary tract infections. A study of 319 women found those who drank the juice twice a day for six months fared no better than those given another fruity drink that didn't have the compound (proanthocyanidin) believed to be the magic anti-UTI agent. Both groups had lower recurrence rates than expected, so scientists may have misidentified the infection-fighting compound, and the dummy juice could have inadvertently contained a nutrient that offered protection. Or the women may have been drinking more fluids and urinating more often, which can decrease bacterial growth and or reduce symptoms.

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