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Vitamin deficiencies may result in disease conditions. Excess of some vitamins is also dangerous to health (notably vitamin A), and animal nutrition researchers have managed to establish safe levels for some common companion animals. [5] Deficiency or excess of minerals can also have serious health consequences.
The undernourishment occurred despite the world's farmers producing enough food to feed around 12 billion people—almost double the current world population. [ 187 ] Malnutrition, as of 2010, was the cause of 1.4% of all disability adjusted life years .
The low-cost food that is generally affordable to the poor in affluent nations is low in nutritional value and high in fats, sugars and additives. In rich countries, therefore, obesity is often a sign of poverty and malnutrition while in poorer countries obesity is more associated with wealth and good nutrition.
Human nutrition deals with the provision of essential nutrients in food that are necessary to support human life and good health. [1] Poor nutrition is a chronic problem often linked to poverty, food security, or a poor understanding of nutritional requirements. [2]
However, the exact cause of kwashiorkor is still unknown. Inadequate food supply is correlated with kwashiorkor; occurrences in high-income countries are rare. [4] It occurs amongst weaning children to ages of about five years old. [2] Conditions analogous to kwashiorkor were well documented around the world throughout history. [5]
The first recommended dietary allowances for humans were developed to address fears of disease caused by food deficiencies during the Great Depression and the Second World War. [3] Due to its importance in human health, the study of nutrition has heavily emphasized human nutrition and agriculture, while ecology is a secondary concern.
The following are lists of animal diseases: This list is incomplete; you can help by adding missing items. (February 2021) List of aquarium diseases;
Foodborne illness (also known as foodborne disease and food poisoning) [1] is any illness resulting from the contamination of food by pathogenic bacteria, viruses, or parasites, [2] as well as prions (the agents of mad cow disease), and toxins such as aflatoxins in peanuts, poisonous mushrooms, and various species of beans that have not been boiled for at least 10 minutes.