After reading this chapter you should be able to:
explain what is meant by protein—energy malnutrition and differentiate between marasmus and kwashiorkor;
explain why marasmus can be considered to be the predictable outcome of prolonged negative energy balance;
describe the groups of people in developed countries who are at risk of protein— energy malnutrition;
describe the features of cachexia and explain how it differs from marasmus; describe the features of kwashiorkor and explain how it differs from marasmus.
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