Understanding key definitions for hunger

Hunger quiz: What does hunger mean?

This part of the Hunger Notes website enables you to learn make a free (to you) contribution to assist hungry people. and learn more about hunger by reading essential information on an important aspect of world hunger and answering several questions. When you answer this quiz, Hunger Notes will make a donation to assist hungry people in crisis.

The questions below are based on this information, taken from World Hunger Facts.

Hunger is a term which has three meanings (Oxford English Dictionary 1971)

  • the uneasy or painful sensation caused by want of food; craving appetite. Also the exhausted condition caused by want of food
  • the want or scarcity of food in a country
  • a strong desire or craving

World hunger refers to the second definition, aggregated to the world level. The related technical term (in this case operationalized in medicine) is malnutrition.1

Malnutrition is a general term that indicates a lack of some or all nutritional elements necessary for human health (Medline Plus Medical Encyclopedia).

There are two basic types of malnutrition. The first and most important is protein-energy malnutrition–the lack of enough protein (from meat and other sources) and food that provides energy (measured in calories) which all of the basic food groups provide. This is the type of malnutrition that is referred to when world hunger is discussed. The second type of malnutrition, also very important, is micronutrient (vitamin and mineral) deficiency. This is not the type of malnutrition that is referred to when world hunger is discussed, though it is certainly very important.

[Recently there has also been a move to include obesity as a third form of malnutrition. Considering obesity as malnutrition expands the previous usual meaning of the term which referred to poor nutrition due to lack of food inputs.2 It is poor nutrition, but it is certainly not typically due to a lack of calories, but rather too many (although poor food choices, often due to poverty, are part of the problem). Obesity will not be considered here, although obesity is certainly a health problem and is increasingly considered as a type of malnutrition.]

Protein-energy malnutrition (PEM) is the most lethal form of malnutrition/hunger. It is basically a lack of calories and protein. Food is converted into energy by humans, and the energy contained in food is measured by calories. Protein is necessary for key body functions including provision of essential amino acids and development and maintenance of muscles.

No one really knows how many people are malnourished. The statistic most frequently cited is that of the United Nations Food and Agriculture Organization, which measures ‘undernutrition’.  It estimates that about 795 million people of the 7.3 billion people in the world, or one in nine, were suffering from chronic undernourishment in 2014-2016. Almost all the hungry people, 780 million, live in developing countries, representing 12.9 percent, or one in eight, of the population of developing counties.

(The FAO estimate is based on statistical aggregates. It looks at a country’s income level and income distribution and uses this information to estimate how many people receive such a low level of income that they are malnourished. It is not an estimate based on seeing to what extent actual people are malnourished and projecting from there (as would be done by survey sampling).

  • 1. Hunger has three meanings according to the Oxford English Dictionary. Which of these meanings is most closely related to world hunger?
  • 2. Estimates of the number of hungry people in the world refer to
  • 3. What percentage of the world's population is hungry?
  • World Hunger Education
    Service
    P.O. Box 29015
    Washington, D.C. 20017
  • For the past 40 years, since its founding in 1976, the mission of World Hunger Education Service is to undertake programs, including Hunger Notes, that
    • Educate the general public and target groups about the extent and causes of hunger and malnutrition in the United States and the world
    • Advance comprehension which integrates ethical, religious, social, economic, political, and scientific perspectives on the world food problem
    • Facilitate communication and networking among those who are working for solutions
    • Promote individual and collective commitments to sustainable hunger solutions.

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