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Nutrient Deficiency Diseases - Early Vitamin Deficiency Diseases, Scurvy, Beriberi, Pellagra, Rickets, Other Vitamin Deficiency Diseases - Mineral deficiency diseases

body nutrients energy food

Nutrient deficiency diseases occur when there is an absence of nutrients which are essential for growth and health. Lack of food leading to either malnutrition or starvation gives rise to these diseases. Another cause for a deficiency disease may be due to a structural or biological imbalance in the individual's metabolic system.

There are more than 50 known nutrients in food. Nutrients enable body tissues to grow and maintain themselves. They contribute to the energy requirements of the individual organism and they regulate the processes of the body. Carbohydrates, fats, and proteins provide the body with energy. The energy producing component of food is measured in calories. Aside from the water and fiber content of food, which are also important for their role in nutrition, the nutrients that serve functions other than energy production can be classified into four different groups: vitamins, fats, proteins, and minerals. All are necessary for proper body function and survival.


There are about 25 mineral elements in the body usually appearing in the form of simple salts. Those which appear in large amounts are called macro minerals while those that are in small or trace amounts are micro minerals. Some that are essential are calcium, phosphorous, cobalt, copper, fluorine, iodine, iron, sodium, chromium, and tin. Aluminum, lead, and mercury are not as essential.


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over 7 years ago

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about 7 years ago

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over 7 years ago

This website have indeed opened my eyes and understand more about this disease. We must really sympathize those people who had this disease. Thank you for creating this website. It really helped me understand and gain more knowledge, and also to maintain a healthy lifestyle. God bless you:D

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over 8 years ago

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4 months ago

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over 5 years ago

Nutrient Deficiency Diseases - Early Vitamin Deficiency Diseases, Scurvy, Beriberi, Pellagra, Rickets, Other Vitamin Deficiency Diseases - Mineral deficiency diseases

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almost 7 years ago

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4 months ago

Due to the outbreak of rickets verified in the 17th century in England, the situation was known as the 'English disease', being its first detailed description presented by Francis Glisson. The growing incidence of rickets with the Industrial Revolution raised speculations about its origin and treatment. The characterization of solar light and luminous spectrum led to the identification of the biological effects of ultraviolet radiation, and to the discovery of phototherapy as an alternative therapeutic process to the solar irradiation. The experimental rickets achieved by Mellanby and McCollum gave support to the concept that this situation could have an origin in a dietary defect. It was also referred an inverse relationship between sun exposure and the incidence of rickets. The identification of the chemical nature of an essential dietary factor with anti-rickets effect (ergocalciferol or vitamin D2), together with another factor with identical properties, but more potent, produced in the skin exposed to sunlight (cholecalciferol or vitamin D3), was essential to the elucidation, prevention and therapy of the disease. The present revision summarizes the history of rickets, the characterization and anti-rickets properties of the light and dietary supplements of lipid nature, and the identification of the major biological forms of vitamin D.

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4 months ago

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about 3 years ago

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almost 7 years ago

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almost 3 years ago