Over the course of a year, taking cranberry capsules did nothing to stave off urinary tract infections (UTIs) among older women living in nursing homes, a US study has found. There was no significant difference in the presence of bacteriuria plus pyuria in those who took cranberry capsules and those who took placebo capsules, the researchers found. "I think it reinforces what many of the other studies have said so far," said lead author Dr. Manisha Juthani-Mehta, of the Yale School of Medicine in New Haven, Connecticut. Previous studies on the use of cranberry products like juice and capsules produced mixed results. A systematic look at that evidence published in 2012 by the Cochrane Collaboration, an international organisation that evaluates and reviews medical research, concluded "cranberry juice cannot currently be recommended for the prevention of UTIs." Originally, it was thought that eating or drinking cranberry products increased the acidity of urine and prevented UTIs. There was also speculation that proanthocyanidin in cranberries prevented bacteria from adhering to the bladder wall. For the new study, the researchers randomly assigned 185 women over 65 years old living...
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