"While many people associate cranberry juice with improved urinary tract health, a growing number of new studies point to the cranberry's exceptional ability to support immunity,” explains Susan Percival, Ph.D., Professor, Food Science & Human Nutrition, University of Florida, Gainesville. Dr. Percival and her research team examined immunity in a cell culture model to understand the mechanisms of how cranberries may improve immunity. A previous human interventional study found immune cell enhancement was evident after eight weeks of consuming cranberry beverages. In the current study, they found that compounds in cranberries can help prime the immune system for activity, which can help protect the body's cells from a challenge. This is correlated with the amount of cranberry compounds used in the study.
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