The researchers emphasized that berries are best eaten when raw. When the fruits are heated, the polyphenol levels are cut by up to a fifth. Baking the berries into pies or muffins also reduces their disease-fighting nutrients. Thus, eating the berries raw is recommended to further maximize the nutritional benefits.
「eating a bowl of blueberries a day could prevent various kinds of health problems, such as obesity, heart diseases, and diabetes.」