Even if you consider yourself to be pretty well-educated about what foods are healthy and what foods aren't, eggs can be a conundrum. On the one hand, they're high in protein and omega-3 fatty acids (that's the good type of fat). On the other hand, eggs contain cholesterol , and aren't cardiologists always saying to be mindful of that? The cholesterol in eggs is found entirely in the yolks, which is why some people only eat the white part of eggs.