One in eight adults have diabetes (mostly type 2). Another one in three have prediabetes. Nine out of ten don’t know it. The good news: a healthy diet and exercise can cut diabetes risk in half.
On average, Americans get about half our calories from carbs, and roughly 70 percent of them come from refined grains, potatoes, fruit juice, and added sugars. They should come from vegetables, whole fruits, beans, and whole grains.