As compared to under-nutrition, not getting enough to eat of any kind of food therefore resulting in malnutrition.
Most people misunderstand the term nutrition.
It is not only what you eat, but also includes the various mechanisms by which man digests, absorbs, transports and utilizes what he eats. This, in most cases, is impossible. From this source the whole man supplies each tissue, cell and organ with what nutrient it needs. Out of this is fashioned tissue similar to its own kind. For what does it matter who assists the correction or by what method or remedy, as long as the therapy is safe and helpful.