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Malnutrition occurs when an organism gets too few or too many nutrients, resulting in health problems. [11] [12] Specifically, it is a deficiency, excess, or imbalance of energy, protein and other nutrients which adversely affects the body's tissues and form.
Another example of the potency of modern modes of transportation in increasing the spread of disease is the 1918 Spanish Flu pandemic. Global transportation, back in the early 20th century, was able to spread a virus because the network of transmittance and trade was already global.
For hunger relief actors operating at the global or regional level, an increasingly commonly used metric for food insecurity is the IPC scale. [7] [6] [5] Acute hunger is typically used to denote famine like hunger, though the phrase lacks a widely accepted formal definition. In the context of hunger relief, people experiencing 'acute hunger ...
Hunger is a sensation that motivates the consumption of food. The sensation of hunger typically manifests after only a few hours without eating and is generally considered to be unpleasant. Satiety occurs between 5 and 20 minutes after eating. [1] There are several theories about how the feeling of hunger arises. [2]
Starvation is a significant international problem. Approximately 815 million people are undernourished, and over 16,000 children die per day from hunger-related causes. [100] Food deprivation is regarded as a deficit need in Maslow's hierarchy of needs and is measured using famine scales. [101]
This led to the fetal origins hypothesis of the origins of adult diseases, which proposed that this relationship was caused by differences in early life nutrition, with a supporting theory that birthweight is connected to the development of chronic disease. [7] During the Dutch Hunger Winter Famine (1944-1945) [8] mothers were not able to ...
Treatable childhood diseases are another set which have disproportionately higher rates in poor countries despite the availability of cures for decades. These include measles, pertussis and polio. [56] The largest three poverty-related diseases (PRDs)—AIDS, malaria, and tuberculosis—account for 18% of diseases in poor countries. [56]
B-vitamins are primarily found in animal-based foods, making deficiencies more common among those with limited animal food intake due to cultural, religious, or economic reasons. For vegetarians, fortified foods can be a viable alternative to ensure adequate vitamin B12 levels, especially when reducing laxative use to improve absorption.