Create a want know about Vitamin A is a vitamin that can be solved fat with four major functions in the body:
* Vitamin A helps cells reproduce normally, a process called differentiation. The cells are not differentiated by should be changed to pre-cancerous.
* Vitamin A is needed for vision. Vitamin A is maintaining healthy cells in various structures of the eye and is required for the transfer of light into nerve signals in the retina.
* Vitamin A is required for normal growth and development of the embryo and fetus, influencing genes that determine the development of a series of organs in embryonic development.
* Vitamin A is required for normal reproductive function, with influences on the function and the formation of sperm, ovaries and placenta.
For some people, the forms of vitamin A supplements that can be solved by the water seems to be better absorbed than vitamin A is solved by fat.
Hearts, products made from milk, and cod liver oil is a source of vitamin A. Vitamin A is also found in supplement form. Vitamin A is usually used in conjunction with some of the following conditions:
* PRIMARY: anemia (if the deficiency of vitamin A), diseases affecting children, cystic fibrosis, infection, leukoplakia, chicken pox / measles (if the deficiency of vitamin A), short-sighted.
* SECONDARY: bronchitis, celiac disease (only if lack of vitamin A), heart disease, immune function, anemia due to iron deficiency, chickenpox / measles (for cases of severe), menorrhagia (heavy menstruation), peptic ulcer (acute gastritis), retinitis pigmentosa (eye disease that attacks the retina derivative), sprainsand strains (injuries to the soft tissues, especially ligaments, tendons, and joints), wound healing.
* OTHER: acne, supporting the release of alcohol dependence, conjunctivitis / blepharitis, Crohn's disease (a disease of the colon), Diabetic retinopathy (in combination with selenium, vitamin C and vitamin E), diarrhea, stomach ulcers, mumps, HIV support, hypothyroid , lung cancer, Pap smear (abnormal), health pre-and post-surgery, premenstruasi syndrome, retinopathy (diseases related to the retina, in combination with selenium, vitamin C and vitamin E), sickle cell anemia, urinary tract infections , vaginitis.
Who might be deficient in vitamin A?
* People who limit their consumption to heart, the products derived from milk, and vegetables that contain beta-carotene, may experience lack of vitamin A.
* Infants whose weight at birth is very low (2.2 pounds or 0.99 kg or less) have a higher risk of birth with vitamin A deficiency, and vitamin A shots given to infants has been reported to reduce the risk of lung illness lung.
Early signs of vitamin A deficiency:
* Lack of vision at night.
* Dry skin
* Increased risk of infections, and metaplasia (a pre-cancerous condition).
* Vitamin A deficiency is severe, which can cause blindness, is extremely rare in the western environment.
Vitamin A deficiency is a rare severe, usually occurs because the conditions vary, which menyebabkab mal-absorption. Also reported a high incident of vitamin A deficiency in people infected with HIV.
People with hypothyroidism have a weak ability to change beta-carotene into vitamin A. For this reason, some doctors recommend taking supplements of vitamin A, if they do not take vitamin A in the amount that should be in their diets.
People who are very old with type 2 diabetes showed a decrease of vitamin A in the blood significantly due to aging, apart from the consumption of vitamin A in the diet.
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