To many, it was welcome news. After all, who doesn’t like nuts (except maybe the ones living next door)? Each nut has its own virtues. Walnuts are an excellent source of heart-healthy omega-3 oils, which are woefully scarce in the average American diet. Almonds are high in vitamin E. But given the calories, don’t go nuts. The recommended portion is equal to a third of a cup, or a large handful.