You can have Have Cranberries anytime of the year because of their antioxidant boost and powerful phytochemicals that have been linked to better urinary health. Research shows that cranberries also have compounds that can help protect against cavities and improve overall health. Cranberries contain proanthocyanidins (PACs) that can prevent the adhesion of certain types of bacteria, including E. coli, associated with urinary tract infections to the urinary tract wall. The anti-adhesion properties of cranberry may also inhibit the bacteria associated with gum disease and stomach ulcers.