Blueberries are a powerhouse superfood containing antioxidant and anti-inflammatory compounds that help to ward off major disease like Alzheimer’s, diabetes, heart disease, and some types of cancer. The compounds in blueberries also help keep our memories sharp. Blueberries are the ultimate memory food. The US Department of Agriculture determined that blueberries scored highest overall in total antioxidant capacity per serving after testing 24 varieties of fresh fruit, 23 vegetables, 16 herbs and spices, and a variety of 10 different nuts. Antioxidants are important because they ward off free radicals which can contribute to a number of diseases, including certain types of cancer.