Cranberries are a healthy food choice—full of possible cancer-fighting antioxidants—but what other benefits does the bittersweet bog berry hold? Some studies have shown that cranberries are as effective as Antibiotics in preventing and treating painful urinary tract infections (UTIs), while others found they have very little benefit. The latest analysis finds that cranberries are less effective than Antibiotics in fighting infections, but doctors aren't ready to abandon the fruit just yet