On cranberry juice and urinary tract infections.

Whether it pays to drink cranberry juice as an aid to treating urinary tract infections remains tenuous at best.

So we concluded five years ago when a smattering of small studies failed to support the widely held belief that cranberry juice fights urinary tract infections. But a change in tune may be in order. report by a group of Boston-based scientists provides strongest evidence to date that the juice folk wisdom is grounded in scientific fact.

Researchers looked at two groups of elderly women who commonly have urine that contains bacteria and white blood cells - signs that an infection may be "taking hold" even if there are no symptoms such as painful or …