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A famine is a widespread scarcity of food, caused by several factors including war, natural disasters, crop failure, widespread poverty, an economic catastrophe or government policies. This phenomenon is usually accompanied or followed by regional malnutrition, starvation, epidemic, and increased mortality. Every inhabited continent in the world has experienced a period of famine throughout history. During the 19th and 20th century, Southeast and South Asia, as well as Eastern and Central Europe, suffered the greatest number of fatalities. Deaths caused by famine declined sharply beginning in the 1970s, with numbers falling further since 2000. Since 2010, Africa has been the most affected continent in the world by famine. According to the United Nations World Food Programme, famine is declared when malnutrition is widespread, and when people have started dying of starvation through lack of access to sufficient, nutritious food. The Integrated Food Security Phase Classification criteria define Phase 5 famine of acute food insecurity as occurring when: At least 20% of households in an area face extreme food shortages with a limited ability to cope; and The prevalence of acute malnutrition in children exceeds 30%; and The death rate exceeds two people per 10,000 people per day. The declaration of a famine carries no binding obligations on the UN or member states, but serves to focus global attention on the problem. The cyclical occurrence of famine has been a mainstay of societies engaged in subsistence agriculture since the dawn of agriculture itself. The frequency and intensity of famine has fluctuated throughout history, depending on changes in food demand, such as population growth, and supply-side shifts caused by changing climatic conditions. Famine was first eliminated in the Netherlands and England during the 17th century, due to the commercialization of agriculture and the implementation of improved techniques to increase crop yields.

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Food security

Food security is the availability of food in a country (or geography) and the ability of individuals within that country (geography) to access, afford, and source adequate foodstuffs. According to the United Nations Committee on World Food Security, food security is defined as meaning that all people, at all times, have physical, social, and economic access to sufficient, safe, and nutritious food that meets their food preferences and dietary needs for an active and healthy life.

Malnutrition

Malnutrition occurs when an organism gets too few or too many nutrients, resulting in health problems. Specifically, it is "a deficiency, excess, or imbalance of energy, protein and other nutrients" which adversely affects the body's tissues and form. Malnutrition is not receiving the correct amount of nutrition. Malnutrition is increasing in children under the age of five due to providers who cannot afford or do not have access to adequate nutrition. Malnutrition is a category of diseases that includes undernutrition and overnutrition.

Famine

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