Since 1974, July has been officially designated National Blueberry Month. And of all the food-themed months in the federal canon, this must be one of the healthiest. Blueberries, after all, are now dubbed a superfood, due to their nutritional benefits and high concentration of antioxidant flavonoids. These last may reduce the risk of heart disease and cancer, and recent research suggests that they may also help stave off the onset of the memory loss and cognitive deterioration associated with Alzheimer’s disease. Surveys show that we’re eating more and more of them: National blueberry consumption has nearly doubled since 2008.

But which blueberries are the best? Wild or domesticated? Does it make a difference? The answer, like most when