Some Wives’ Tales Really Work

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47600813 - glass of cranberry juice with fresh berries on wooden table

The age-old recommendation to drink cranberry juice for a bladder infection proved true in a study from Boston University School of Medicine (and Ocean Spray Cranberries). In this placebo-controlled, double-blind study, women with a history of urinary tract infections (UTIs) consumed daily either one 240 milliliter serving of cranberry beverage or a placebo. After 24 weeks, there were 67 UTIs in the placebo group, but only 39 UTI’s in the cranberry group, an almost 42% difference.

Proanthocyanidins in cranberries inhibit the adherence of pathogens, such as E. Coli, to the walls of the bladder and decrease UTI recurrences by 30% to 40%, state researchers at the Academic Medical Center in Amsterdam.

Elizabeth Somer, M.A.,R.D.

Maki K, Kaspar K, Khoo C, et al: Consumption of a cranberry juice beverage lowered the number of clinical urinary tract infection episodes in women with a recent history of urinary tract infection. American Journal of Clinical Nutrition 2016;103:1424-1442.
Beerepoot M, Geerlings S: Non-antibiotic prophylaxis for urinary tract infections. Pathogens 2016;April 16th.

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