Health Food Nutrition - Vitamin A is a vitamin that can be solved with the four main functions of fat in the body:
1. Vitamin A helps cells reproduce normally be, a process called differentiation. The cells are not differentiated with should be changed to pre-cancer.
2. Vitamin A is necessary for vision. Vitamin A to maintain cell health in a variety of eye structure and is required for the transfer of light into nerve signals in the retina.
3. Vitamin A is required for normal growth and development of the embryo and fetus, influencing genes that determine a series of developments in the organs of embryonic development.
4. Vitamin A is required for normal reproductive function, with influences on the function and formation of sperm, ovaries and placenta.
For some people, these forms of vitamin A supplements that can be solved by the water seems to be better absorbed than vitamin A which is solved by fat.
Liver, products made from milk, and cod liver oil is a source of vitamin A. Vitamin A is also contained in the form of supplements. Vitamin A is usually used in conjunction with some of the conditions below:
1. PRIMARY: anemia (if lack of vitamin A), diseases affecting children, cystic fibrosis, infection, leukoplakia, chicken pox/measles (if lack of vitamin A), short-sighted.
2. SECONDARY: Bronchitis, celiac disease (only if lack of vitamin A), heart attack, immune function, anemia due to iron deficiency, chickenpox/measles (for severe cases), menorrhagia (heavy menstruation), peptic ulcer (acute ulcer), retinitis pigmentosa (eye disease that attacks the retina derivatives), sprainsand strains (injuries to the soft tissues, especially ligaments, tendons, and joints), wound healing.
3. OTHER: acne, supporting the release of alcohol dependence, conjunctivitis / blepharitis, crohn disease (disease in the colon), Diabetic retinopathy (combine with selenium, vitamin C and vitamin E), diarrhea, stomach ulcer, mumps, HIV support, hypothyroid, lung cancer, pap smear (abnormal), health pre-and post-surgery, premenstruasi syndrome, retinopathy (retinal diseases associated with, combine with selenium, vitamin C and vitamin E), sickle cell anemia, urinary tract infections, vaginitis.
Anyone who may lack vitamin A?
People who limit their consumption of liver, the products derived from milk, and vegetables that contain beta-carotene, vitamin A deficiency can experience
Weight infants who at birth was very low (2.2 pounds or 0.99 kg or less) have a high risk of birth with vitamin A deficiency, and injections of vitamin A given to infants has been reported to reduce the risk of lung disease .
Early signs of vitamin A deficiency:
* Lack of night vision
* Dry skin
* Increased risk of infections, and metaplasia (a pre-cancerous condition)
* Severe Vitamin A deficiency, which can cause blindness, extreme environments are rare in western
* Severe Vitamin A deficiency is rare, usually occur because the conditions vary, leading to mal-absorption. Also reported a high incident of vitamin A deficiency in people infected with HIV.
People with hypothyroidism have a weak ability to convert beta-carotene into vitamin A. For this reason, some doctors recommend taking supplements of vitamin A, if they do not consume vitamin A in the amount that should be on eating them.
Very old people with type-2 diabetes showed a decrease of vitamin A in their blood significantly due to age factor, apart from the consumption of vitamin A in its diet.