What is avitaminosis?

Avitaminosis is a term used for a group of conditions or diseases caused by chronic or long -term deficiency of one or more vitamins. Vitamins are substances that play various important roles in the growth and development of every human being. There are many types of vitamins, including vitamin A, vitamin C and vitamin B and each performs different actions inside the body. The manifestation of symptoms usually depends on the type of vitamin deficiency, which has an individual. Examples of states associated with avitaminosis are pellagra, beriberi, scurvy, intersections and night blindness.

Pellagra occurs when one does not consume enough niacin in his diet. Niacin or vitamin B3 is essential for the proper functioning of the nerves, digestive system and skin. This disease is sometimes called a disease with four DS, because its main symptoms often include diarrhea, dermatitis, dementia - a disease affecting human mental ability - and sometimes death. Other symptoms include rashes, ulcers in the mouth, vomiting and tŘes. There are two types of Beriberi - wet and dry Beriberi. Wet Beriberi affects the cardiovascular system and dry beriberi affects the nervous system. This type of avitaminosis is commonly observed in individuals who abuse alcohol. Symptoms include pain and swelling of the legs and legs, increased heart rate, feelings of armor and waste of leg muscles.

Scurvy is a disease caused by long -term deficiency of ascorbic acid or vitamin C. It is characterized by the weakness of the body, gingivitis, anemia, tender joints and bleeding on the skin. There are several groups of individuals who are highly threatened by the development of scurvy. These include alcoholics, older, children and mentemal patients.

intersections are a nutritional disorder caused by a deficiency of vitamin D, which controls the production of calcium and phosphate used by the body. This form of avitaminosis often leads to softening and weakening of the bones of affected children. Children and adults whoRome usually remain inside, have a higher risk of developing vitamin D, because it is often necessary to expose to sunlight for its production.

Night blindness is often caused by avitaminosis or vitamin A deficiency A. A reduced absorption or intake of vitamin and usually causes tears disorder and eventually leads to severe dryness, irritation and night blindness. The lack of vitamin A is known as the main cause of blindness in children.

poor nutrition is often the cause of avitaminosis. There are many food sources that are rich in vitamins, and avitaminosis is mostly a disease that can be prevented. On the other hand, when it maintains excessive amounts of vitamins, the condition is referred to as hypervitaminosis.