[1] Protein-energy malnutrition (PEM) is a condition where people consume very little in the way of energy, proteins, or both in their diets; as a result, it is common in developing nations.
[2] Certain human body cells, such as neurons, require high glucose concentrations.
A condition known as ketosis (increased ketones production), which is characterized by a strangely sweet-smelling patient, may result from a prolonged shortage of carbohydrates.
Clinical signs of an EFA deficiency include stunted growth in kids and babies, a scaly, dry rash, slowed wound healing and heightened susceptibility to infections.
[2] Enzymes are unique protein subtypes that are needed during metabolism, the process by which the body obtains energy for regular growth and development, to break down food molecules into fuel.