Eating even less than a cup of blueberries a day helps fend off heart disease, cancer, brain aging, and much more. Here are seven great reasons to eat more blueberries every day Spring and summer are prime seasons for fresh blueberries. But there are good reasons to eat them all year round. Blueberries pack huge health benefits in a tiny package. Research confirms that eating even less than a cup of blueberries a day helps fend off heart disease, cancer, brain aging, and much more. Here are seven great reasons to eat more blueberries every day. 1. Berries Stop Heart Attacks According to a study published in Circulation: Journal of the American Heart Association eating at least three servings of blueberries and strawberries every week can save women from heart attacks. Researchers from the Harvard School of Public Health and the University of East Anglia reviewed the berry-eating habits of 93,600 women between the ages …