Red and Blue Jewels of Summer Are Also Excellent for Your Health. Researchers at the USDA Human Nutrition Center have ranked blueberries No. 1 in antioxidant activity when compared to 40 other fresh fruits and vegetables. The mighty little berry contains powerful phytochemicals such as anthocyanins, the bluish pigment that gives blueberries their color.
Blueberries are associated with numerous health benefits, including protection against urinary-tract infections (along with cranberries), cancer, age-related health conditions and brain damage from strokes. They may also reduce the build-up of so-called "bad" cholesterol, which contributes to heart disease and stroke:
[source: Veggies in Motion News]