What Health Problems Are Associated With Insufficient And Excess Vitamin A Intake? Is Vitamin A Intake A Major Problem For Canadians?

Articles UsedHYPERLINK http /network .health- .com /Article-Vitamin-A-46 .aspx http / entanglement .health- .com /Article-Vitamin-A-46 .aspxHYPERLINK http /www .nutraingredients-usa .com /news /ng .asp ?id 24918-vitamins- get-thumbs http /www .nutraingredients-usa .com /news /ng .asp ?id 24918-vitamins- get-thumbsHYPERLINK http /www .newstarget .com /020409 .html http /www .newstarget .com /020409 .htmlHYPERLINK http /www .dietitians .ca /news /media .asp ?fn vista id 7117 idstring http /www .dietitians .ca /news /media .asp ?fn view id 7117 idstringVitamin A has a distinction of being the first fat-soluble vitamin to be recognized . It may be one of the most assorted because of its role in some(prenominal) body processes . Up to a year s supply of Vitamin A may be stored in the body , 90 percent of it in the liver . If you cheque eating good food sources of the vitamin , inadequacy symptoms will not begin to appear until after your stores are depletedInsufficiency of Vitamin A is communal in developing countries . Vitamin A deficiency is often come with by a severe atomic number 30 deficiency it is because atomic number 30 is needed to make retinol binding protein which transports vitamin A . and then , a deficiency in zinc limits the body s dexterity to move vitamin A stores from the liver to body tissuesThere are several holds which result from insufficient intake of Vitamin A . First is night blindness . In a condition known as keratomalacia , there is irreversible drying and degeneration of the cornea causing blindness . blurb , deficiency of Vitamin A lessens the ability of the body to fight infections because of vitiated immune system ability . In countries where such deficiency is common and immunization programs are limited , millions of children die individually year from complications of infectious diseases such as measles . In vitamin A-deficient individuals , cells lining the lungs lose their ability to remove disease-causing microorganisms . This may have to the pneumonia associated with vitamin A deficiency .

Thirdly , Vitamin A deficiency in children may increase children s risk of developing respiratory and diarrheic infections , decrease growth rate , slow bone organic evolution , and decrease likelihood of survival from serious illness merely , a deficiency cigarette occur when vitamin A is confounded through chronic diarrhea and through an overall incapable intake , as is often seen with protein-energy malnutrition . Low blood retinol concentrations indicate depleted levels of vitamin A . This occurs with vitamin A deficiency notwithstanding also can result from an inadequate intake of protein , calories , and zinc , since these nutrients are needed to make RBP . Iron deficiency can also affect vitamin A metabolism , and iron supplements provided to iron-deficient individuals may improve body stores of vitamin A and iron . Lastly , intemperance alcohol intake depletes vitamin A stores . Also diets high in alcohol often do not provide recommended amounts of vitamin A . It is very important for people who consume excessive amounts of alcohol to include good sources of vitamin A in their dietsOn the other hired man , excessive intake of Vitamin A would result to a condition known as Hypervitaminosis A . It refers to high storage levels of vitamin A in...If you want to get a full essay, order it on our website: Ordercustompaper.com

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