Does "smaller" refer to height, weight, or both? I'm wondering how much of the size difference has to do with nutritional deficiencies vs. an overall awareness of our diets. Because we read every label, every time, we notice not only allergen-containing foods, but also artificial colors, flavors, and sweeteners. Our kids eat a lot less junk food than average American kids, and we eat out a lot less too (restaurant food tends to be higher in fat and sodium than home-cooked food). That...

Thank you for this article! I've always suspected that my 8 year old son's food allergy to dairy, eggs and nuts had something to do with his small size and this article helped affirm my suspicions. I've often been told by family that I'm a "helicopter mom" when it comes to making sure he eats and eats good. I do it because I know he has to make up with foods that will give him the equivalent or if not similar nutrients from foods he's allergic to. And with his high metabolism, it doesn't...