Question

Deficiency disease and PEM

Answer 1

The World Health Organization (WHO) [1]defines malnutrition as "the cellular imbalance between the supply of nutrients and energy and the body's demand for them to ensure growth, maintenance, and specific functions." The term protein-energy malnutrition (PEM) applies to a group of related disorders that include marasmus, kwashiorkor (see the images below), and intermediate states of marasmus-kwashiorkor. The term marasmus is derived from the Greek word marasmos,which means withering or wasting. Marasmus involves inadequate intake of protein and calories and is characterized by emaciation. The term kwashiorkor is taken from the Ga language of Ghana and means "the sickness of the weaning." Williams first used the term in 1933, and it refers to an inadequate protein intake with reasonable caloric (energy) intake. Edema is characteristic of kwashiorkor but is absent in marasmus.

Answer 2

PEM - Protein Energy Malnutrition
Two such diseases are Kwashiorkaer and Marasmus. These are caused due to deficiency of protein in the body.
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